@inproceedings{inproceedingsef377a78,
title   = {Tree-level violation of the equivalence principle},
author = {Accioly, Antonio Jose and Ragusa, Silvestre and Mukai, Hatsumi},
year = {2002},
publisher = {SBF},
booktitle   = {Encontro Nacional de Física de Partículas e Campos}
}