@inproceedings{inproceedings4fa76678,
title   = {Mathematical model to adjust the hardness of rubber as a function of carbon black contents},
author = {Ésper, Fábio José and Feijó, A. C. M. and Toffoli, Samuel Márcio and Valenzuela Díaz, Francisco Rolando and Wiebeck, Hélio},
year = {2004},
publisher = {Universidad Politecnica de Valencia},
booktitle   = {Simposio Latinoamericano de Polímeros}
}