@inproceedings{inproceedings122315b3,
title   = {Sistema tributario nacional - mudancas constitucionais/88 (conferencias e debates)},
author = {Costa, A J and Martins, I G S and Derzi, M M and Dain, S},
year = {1992},
publisher = {Obore},
booktitle   = {Seminario Reforma Tributaria Possivel e Necessaria}
}