@misc{Almeida2004,
author = {Almeida, A.C. and Schroeder, A. and Cheibub, Z.},
title= {PESB: Pesquisa Social Brasileira 2002},
year = {2004},
URL = {http://www.cis.org.br},
publisher = {Universidade Federal Fluminense},
address = {Rio de Janeiro},
}