@inproceedings{inproceedings914ef98a,
title   = {EPR spectroscopy in the asphaltenes photodegradation study in petroleum},
author = {Di Mauro, Eduardo and Nakaema, Marcelo Kiyoshi Kian and Melo, Fernando Alves de and Turini, Marilene and Guedes, Carmem Luísa Barbosa and Nascimento, Otaciro Rangel},
year = {2003},
publisher = {Sociedade Brasileira de Física},
booktitle   = {Encontro Nacional de Física da Matéria Condensada}
}