@inproceedings{inproceedingsf0ddeb11,
title   = {Nonrelativistic Reduction in Quantum Field Theory},
author = {Gomes, Marcelo and Malbouisson, J M C and Silva, Adílson José da},
year = {1997},
publisher = {SBF},
booktitle   = {Encontro Nacional de Física de Partículas e Campos}
}