@inproceedings{inproceedingsa620e5de,
title   = {Electronic invoice in Brazil: use of information technology towards data security and legal validity of electronic tax documents},
author = {Mello, Newton Oller de and Dias, Eduardo Mario},
year = {2010},
publisher = {FEA/USP},
booktitle   = {Congresso Internacional de Gestão de Tecnologia e Sistemas de Informação}
}