Scientific Electronic Library Online

Library Collection
Print ISSN 1678-5878

Most visited issue

(measured by access to table of contents, abtracts,
html articles and PDF articles)

*  Count started in March , 2004.


Display issue visited times or more.    

Page 1 of 8 [First]  [Previous]  [Next]  [Last]

nr. of requests

article reference

14786 YAPP, D. and BLACKMAN, S. A. Recent developments in high productivity pipeline welding. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.89-97. ISSN 1678-5878.

        · abstract in english     · text in english

12580 GHAJAR, A. J. Non-boiling heat transfer in gas-liquid flow in pipes: a tutorial. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.1, p.46-73. ISSN 1678-5878.

        · abstract in english     · text in english

11013 TRINDADE FILHO, V. B. da, GUIMARãES, A. S., PAYãO FILHO, J. da C. et al. Normalizing heat treatment effect on low alloy steel weld metals. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.62-66. ISSN 1678-5878.

        · abstract in english     · text in english

9906 EINSFELD, R. A., MURRAY, D. W. and YOOSEF-GHODSI, N. Buckling analysis of high-temperature pressurized pipelines with soil-structure interaction. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.2, p.164-169. ISSN 1678-5878.

        · abstract in english     · text in english

9774 JENSEN, K. D. Flow measurements. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.4, p.400-419. ISSN 1678-5878.

        · abstract in english     · text in english

9596 EZUGWU, E. O. High speed machining of aero-engine alloys. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.1-11. ISSN 1678-5878.

        · abstract in english     · text in english

9481 RILL, Georg. Vehicle modeling by subsystems. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.4, p.430-442. ISSN 1678-5878.

        · abstract in english     · text in english

8919 SCHWARTZ, C., DE NEGRI, V. J. and CLIMACO, J. V. Modeling and analysis of an auto-adjustable stroke end cushioning device for hydraulic cylinders. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.4, p.415-425. ISSN 1678-5878.

        · abstract in english     · text in english

8846 RESENDE, O. C. de. The evolution of the aerodynamic design tools and transport aircraft wings at Embraer. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.4, p.379-389. ISSN 1678-5878.

        · abstract in english     · text in english

8073 OLIVEIRA, Marcel Isandro R. de, SILVA, José Guilherme S. da, VELLASCO, Pedro Colmar G. da S. et al. Structural analysis of guyed steel telecommunication towers for radio antennas. J. Braz. Soc. Mech. Sci. & Eng., 2007, vol.29, no.2, p.185-195. ISSN 1678-5878.

        · abstract in english     · text in english

7633 SHIRAHATTI, Anil, PRASAD, P.S.S., PANZADE, Pravin et al. Optimal design of passenger car suspension for ride and road holding. J. Braz. Soc. Mech. Sci. & Eng., 2008, vol.30, no.1, p.66-76. ISSN 1678-5878.

        · abstract in english     · text in english

6771 GERGES, S. N.Y., JORDAN, R., THIEME, F. A. et al. Muffler modeling by transfer matrix method and experimental verification. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.2, p.132-140. ISSN 1678-5878.

        · abstract in english     · text in english

6650 GRASSI JUNIOR, Valdir and OKAMOTO JUNIOR, Jun. Development of an omnidirectional vision system. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.1, p.58-68. ISSN 1678-5878.

        · abstract in english     · text in english

6502 GUZZO, P. L., SHINOHARA, A. H. and RASLAN, A. A. A comparative study on ultrasonic machining of hard and brittle materials. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.56-61. ISSN 1678-5878.

        · abstract in english     · text in english

6415 SIKDAR, Sudipta, JOHN, Shylu, PANDIT, Ashwin et al. Analysis of roll stack deflection in a hot strip mill. J. Braz. Soc. Mech. Sci. & Eng., 2007, vol.29, no.3, p.284-289. ISSN 1678-5878.

        · abstract in english     · text in english

6321 BEAL, V. E., AHRENS, C. H. and WENDHAUSEN, P. A. The use of stereolithography rapid tools in the manufacturing of metal powder injection molding parts. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.40-46. ISSN 1678-5878.

        · abstract in english     · text in english

6226 KAMEMOTO, K. On contribution of advanced vortex element methods toward virtual reality of unsteady vortical flows in the new generation of CFD. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.4, p.368-378. ISSN 1678-5878.

        · abstract in english     · text in english

6220 VEIGA, J. L. B. C., CARVALHO, A. A. de, SILVA, I. C. da et al. The use of artificial neural network in the classification of pulse-echo and TOFD ultra-sonic signals. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.4, p.394-398. ISSN 1678-5878.

        · abstract in english     · text in english

6198 LIMA, L. R. O. de, VELLASCO, P. C. G. da S., ANDRADE, S. A. L. de et al. Neural networks assessment of beam-to-column joints. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.3, p.314-324. ISSN 1678-5878.

        · abstract in english     · text in english

6151 MOCELLIN, F., MELLERAS, E., GUESSER, W. L. et al. Study of the machinability of compacted graphite iron for drilling process. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.22-27. ISSN 1678-5878.

        · abstract in english     · text in english

6035 PADET, J. Transient convective heat transfer. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.1, p.74-95. ISSN 1678-5878.

        · abstract in english     · text in english

6029 TRICHES JR, M., GERGES, S. N. Y. and JORDAN, R. Reduction of squeal noise from disc brake systems using constrained layer damping. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.3, p.340-348. ISSN 1678-5878.

        · abstract in english     · text in english

5954 RUGGIERI, C. Numerical investigation of constraint effects on ductile fracture in tensile specimens. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.2, p.190-199. ISSN 1678-5878.

        · abstract in english     · text in english

5818 MAGNABOSCO, R. and ROSSETTO, L. C. Toughness of two HSLA steel sheets. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.2, p.170-173. ISSN 1678-5878.

        · abstract in english     · text in english

5625 AMORIM, F. L. and WEINGAERTNER, W. L. Die-sinking electrical discharge machining of a high-strength copper-based alloy for injection molds. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.2, p.137-144. ISSN 1678-5878.

        · abstract in english     · text in english

5558 BARBOSA JR., Jader R., CHEAH, Leong W. and HEWITT, Geoffrey F. Flow boiling of water in a vertical tube at sub-atmospheric pressures. J. Braz. Soc. Mech. Sci. & Eng., 2007, vol.29, no.4, p.401-409. ISSN 1678-5878.

        · abstract in english     · text in english

5481 GUENTHER, Raul, PERONDI, Eduardo A., DEPIERI, Edson R. et al. Cascade controlled pneumatic positioning system with LuGre model based friction compensation. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.1, p.48-57. ISSN 1678-5878.

        · abstract in english     · text in english

5308 MARU, Marcia Marie and TANAKA, Deniol K. Consideration of stribeck diagram parameters in the investigation on wear and friction behavior in lubricated sliding. J. Braz. Soc. Mech. Sci. & Eng., 2007, vol.29, no.1, p.55-62. ISSN 1678-5878.

        · abstract in english     · text in english

5136 SODRé, J. R. and SOARES, S. M. C. Comparison of engine power correction factors for varying atmospheric conditions. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.3, p.279-284. ISSN 1678-5878.

        · abstract in english     · text in english

4933 MAHAPATRA, S. S. and PATNAIK, Amar. Parametric optimization of wire electrical discharge machining (WEDM) process using taguchi method. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.4, p.422-429. ISSN 1678-5878.

        · abstract in english     · text in english

4918 VIANA, Felipe Antonio C. and STEFFEN, JR, Valder. Multimodal vibration damping through piezoelectric patches and optimal resonant shunt circuits. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.3, p.293-310. ISSN 1678-5878.

        · abstract in english     · text in english

4914 TANNURI, Eduardo A., KUBOTA, Leonardo K. and PESCE, Celso P. Adaptive techniques applied to offshore dynamic positioning systems. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.3, p.323-330. ISSN 1678-5878.

        · abstract in english     · text in english

4766 JABARDO, J. M. Saiz and MAMANI, W. G. Modeling and experimental evaluation of parallel flow micro channel condensers. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.2, p.107-114. ISSN 1678-5878.

        · abstract in english     · text in english

4764 LACERDA, H. B. and LIMA, V. T. Evaluation of cutting forces and prediction of chatter vibrations in milling. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.74-81. ISSN 1678-5878.

        · abstract in english     · text in english

4759 MOTTA, J. M. S. T. An investigation of singularities in robot kinematic chains aiming at building robot calibration models for off-line programming. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.2, p.200-204. ISSN 1678-5878.

        · abstract in english     · text in english

4639 ARGACHOY, C. and PIMENTA, A. P. Phenomenological model of particulate matter emission from direct injection diesel engines. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.3, p.266-273. ISSN 1678-5878.

        · abstract in english     · text in english

4614 SANTOS, F. de C., SANTOS JR, A. A. dos, BRUNI, F. et al. Evaluation of subsurface contact stresses in railroad wheels using an elastic half-space model. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.4, p.420-429. ISSN 1678-5878.

        · abstract in english     · text in english

4534 CAMPOS, A., GUENTHER, R. and MARTINS, D. Differential kinematics of serial manipulators using virtual chains. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.4, p.345-356. ISSN 1678-5878.

        · abstract in english     · text in english

4489 CORREIA, D. S., GONçALVES, C. V., JUNIOR, Sebastião S. C. et al. GMAW welding optimization using genetic algorithms. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.28-32. ISSN 1678-5878.

        · abstract in english     · text in english

4481 FOGAGNOLO, J. B., ROBERT, M. H. and TORRALBA, J. M. The effects of mechanical alloying on the extrusion process of AA 6061 alloy reinforced with Si3N4. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.2, p.201-206. ISSN 1678-5878.

        · abstract in english     · text in english

4378 FARSI, Mohammad Ali and AREZOO, Behrooz. Bending force and spring-back in v-die-bending of perforated sheet-metal components. J. Braz. Soc. Mech. Sci. & Eng., 2011, vol.33, no.1, p.45-51. ISSN 1678-5878.

        · abstract in english     · text in english

4345 IBHADODE, A. O. A. and DAGWA, I. M. Development of asbestos-free friction lining material from palm kernel shell. J. Braz. Soc. Mech. Sci. & Eng., 2008, vol.30, no.2, p.166-173. ISSN 1678-5878.

        · abstract in english     · text in english

4300 SILVERIO, Rodolfo Jesús R. and FIGUEIREDO, José Ricardo. Steady state simulation of the operation of an evaporative cooled water-ammonia absorption scale ice maker with experimental basis. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.4, p.413-421. ISSN 1678-5878.

        · abstract in english     · text in english

4291 DHAR, Nikhil R., ISLAM, Sumaiya, KAMRUZZAMAN, Md. et al. Wear behavior of uncoated carbide inserts under dry, wet and cryogenic cooling conditions in turning C-60 steel. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.2, p.146-152. ISSN 1678-5878.

        · abstract in english     · text in english

4280 RAMIREZ CAMACHO, R. G. and MANZANARES FILHO, N. A source wake model for cascades of axial flow turbomachines. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.3, p.288-299. ISSN 1678-5878.

        · abstract in english     · text in english

4252 CAMARGO, J. R., GODOY JR, E. and EBINUMA, C. D. An evaporative and desiccant cooling system for air conditioning in humid climates. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.3, p.243-247. ISSN 1678-5878.

        · abstract in english     · text in english

4221 BARBOSA, JR, J. R. Two-phase non-equilibrium models: the challenge of improving phase change heat transfer prediction. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.1, p.31-45. ISSN 1678-5878.

        · abstract in english     · text in english

4205 PASSARINI, L. C. and PINOTTI, JR, M. A new model for Fast-acting electromagnetic fuel injector analysis and design. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.1, p.95-106. ISSN 1678-5878.

        · abstract in english     · text in english

4145 BENINI, G. R., BELO, E. M. and MARQUES, F. D. Numerical model for the simulation of fixed wings aeroelastic response. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.2, p.129-136. ISSN 1678-5878.

        · abstract in english     · text in english

4083 JASINEVICIUS, R. G., CAMPOS, G. P. de, MONTANARI, L. et al. Influence of the mechanical and metallurgical state of an Al-Mg alloy on the surface integrity in ultraprecision machining. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.3, p.222-228. ISSN 1678-5878.

        · abstract in english     · text in english

4082 SILVA, José Guilherme S. da, VELLASCO, Pedro Colmar G. da S. and ANDRADE, Sebastião Arthur L. de. Vibration analysis of orthotropic composite floors for human rhythmic activities. J. Braz. Soc. Mech. Sci. & Eng., 2008, vol.30, no.1, p.56-65. ISSN 1678-5878.

        · abstract in english     · text in english

4057 SILVA, E. Jannone da, BIFFI, M. and OLIVEIRA, J. F. G. de. The development of an open architecture control system for CBN high speed grinding. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.51-55. ISSN 1678-5878.

        · abstract in english     · text in english

4026 AWARI, Gajanan K., BHUYAR, L. B. and WAKDE, D. G. A generalized gas-liquid two-phase flow analysis for efficient operation of airlift pump. J. Braz. Soc. Mech. Sci. & Eng., 2007, vol.29, no.3, p.307-312. ISSN 1678-5878.

        · abstract in english     · text in english

3976 NEVES, F. O., BUTTON, S. T., CAMINAGA, C. et al. Numerical and experimental analysis of tube drawing with fixed plug. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.4, p.426-431. ISSN 1678-5878.

        · abstract in english     · text in english

3966 COELHO, R. T., BRAGHINI JR., A., VALENTE, C. M. O. et al. Experimental evaluation of cutting force parameters applying mechanistic model in orthogonal milling. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.3, p.247-253. ISSN 1678-5878.

        · abstract in english     · text in english

3915 JABARDO, J. M. Saiz, SILVA, E. Fockink da, RIBATSKI, G. et al. Evaluation of the rohsenow correlation through experimental pool boiling of halocarbon refrigerants on cylindrical surfaces. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.2, p.218-230. ISSN 1678-5878.

        · abstract in english     · text in english

3885 GONçALVES, João B. and ZAMPIERI, Douglas Eduardo. An integrated control for a biped walking robot. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.4, p.453-460. ISSN 1678-5878.

        · abstract in english     · text in english

3862 MARU, Marcia M. and TANAKA, Deniol K. Influence of loading, contamination and additive on the wear of a metallic pair under rotating and reciprocating lubricated sliding. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.3, p.278-285. ISSN 1678-5878.

        · abstract in english     · text in english

3795 COELHO, Paulo M. and PINHO, Carlos. Considerations about equations for steady state flow in natural gas pipelines. J. Braz. Soc. Mech. Sci. & Eng., 2007, vol.29, no.3, p.262-273. ISSN 1678-5878.

        · abstract in english     · text in english

3789 HUNG, Po-Chih and VOLOSHIN, A. S. In-plane strain measurement by digital image correlation. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.3, p.215-221. ISSN 1678-5878.

        · abstract in english     · text in english

3763 SAVI, M. A. Chaos and order in biomedical rhythms. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.2, p.157-169. ISSN 1678-5878.

        · abstract in english     · text in english

3695 AMORIM, Fred L. and WEINGAERTNER, Walter L. The behavior of graphite and copper electrodes on the finish die-sinking electrical discharge machining (EDM) of AISI P20 tool steel. J. Braz. Soc. Mech. Sci. & Eng., 2007, vol.29, no.4, p.366-371. ISSN 1678-5878.

        · abstract in english     · text in english

3631 ZIADA, Samir. Vorticity shedding and acoustic resonance in tube bundles. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.2, p.186-189. ISSN 1678-5878.

        · abstract in english     · text in english

3551 FASSANI, R. N. S. and TREVISAN, O. V. Analytical modeling of multipass welding process with distributed heat source. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.3, p.302-305. ISSN 1678-5878.

        · abstract in english     · text in english

3539 GONçALVES, J. B. and ZAMPIERI, D. E. Recurrent neural network approaches for biped walking robot based on zero-moment point criterion. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.1, p.69-78. ISSN 1678-5878.

        · abstract in english     · text in english

3515 FERRARESI, V. A., FIGUEIREDO, K. M. and ONG, T. Hiap. Metal transfer in the aluminum gas metal arc welding. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.3, p.229-234. ISSN 1678-5878.

        · abstract in english     · text in english

3421 COSTA, C. A. and LUCIANO, M. A. Information and knowledge models supporting brake friction material manufacturing. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.67-73. ISSN 1678-5878.

        · abstract in english     · text in english

3358 BARBOSA, JR, Jader R, HERMES, Christian J. L and MELO, Cláudio. CFD analysis of tube-fin 'no-frost' evaporators. J. Braz. Soc. Mech. Sci. & Eng., 2010, vol.32, no.4, p.445-453. ISSN 1678-5878.

        · abstract in english     · text in english

3339 EZUGWU, E. O., BONNEY, J., SILVA, R. B. da et al. Evaluation of the performance of different nano-ceramic tool grades when machining nickel-base, inconel 718, alloy. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.12-16. ISSN 1678-5878.

        · abstract in english     · text in english

3300 PASSARINI, L. C. and NAKAJIMA, P. R. Development of a high-speed solenoid valve: an investigation of the importance of the armature mass on the dynamic response. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.4, p.329-335. ISSN 1678-5878.

        · abstract in english     · text in english

3241 ALFARO, Sadek C. A. and DREWS, Paul. Intelligent systems for welding process automation. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.1, p.25-29. ISSN 1678-5878.

        · abstract in english     · text in english

3222 SANTOS, Ilmar F. and WATANABE, Flávio Y. Lateral dynamics and stability analysis of a gas compressor supported by hybrid and active lubricated multirecess journal bearing. J. Braz. Soc. Mech. Sci. & Eng., 2006, vol.28, no.4, p.485-495. ISSN 1678-5878.

        · abstract in english     · text in english

3194 TADEO, A. T. and CAVALCA, K. L. A comparison of flexible coupling models for updating in rotating machinery response. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.3, p.235-246. ISSN 1678-5878.

        · abstract in english     · text in english

3153 XU, Zhaohong, Lü, Tiansheng and LING, Fang. Trajectory planning of jumping over obstacles for hopping robot. J. Braz. Soc. Mech. Sci. & Eng., 2008, vol.30, no.4, p.327-334. ISSN 1678-5878.

        · abstract in english     · text in english

3149 ABREU, G. L. C. M. de, RIBEIRO, J. F. and STEFFEN, JR., V. Finite element modeling of a plate with localized piezoelectric sensors and actuators. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.2, p.117-128. ISSN 1678-5878.

        · abstract in english     · text in english

3109 RIBEIRO, José Carlos L., FAKURY, Ricardo H. and DE LAS CASAS, Estevam B. Eurocode structural fire design and its application for composite circular hollow section columns. J. Braz. Soc. Mech. Sci. & Eng., 2008, vol.30, no.1, p.39-46. ISSN 1678-5878.

        · abstract in english     · text in english

3075 MARTINS, A. L. and CATALANO, F. M. Drag optimization for transport aircraft Mission Adaptive Wing. J. Braz. Soc. Mech. Sci. & Eng., 2003, vol.25, no.1, p.1-8. ISSN 1678-5878.

        · abstract in english     · text in english

3061 ESTUPIñAN, Edgar A. and SANTOS, Ilmar F. Modelling hermetic compressors using different constraint equations to accommodate multibody dynamics and hydrodynamic lubrication. J. Braz. Soc. Mech. Sci. & Eng., 2009, vol.31, no.1, p.35-46. ISSN 1678-5878.

        · abstract in english     · text in english

3030 YAMAMOTO, M. and MOROOKA, C. K. Dynamic positioning system of semi-submersible platform using fuzzy control. J. Braz. Soc. Mech. Sci. & Eng., 2005, vol.27, no.4, p.449-455. ISSN 1678-5878.

        · abstract in english     · text in english

3020 ARAUJO, A. C., SILVEIRA, J. L. and KAPOOR, S. Force prediction in thread milling. J. Braz. Soc. Mech. Sci. & Eng., 2004, vol.26, no.1, p.82-88. ISSN 1678-5878.

        · abstract in english     · text in english


Page 1 of 8 [First]  [Previous]  [Next]  [Last]


© 2004  SciELO
scielo@scielo.org
scielo@scielo.org