@inproceedings{inproceedings1e0d3eb3,
title   = {Diques do arco de Ponta Grossa: aspectos petroquímicos},
author = {Bellieni, Giuliano and Comin-Chiaramonti, P. and Melfi, Adolpho José and Piccirillo, Enzo Michele and Pinese, José Paulo Peccinini and Zantedeschi, P},
year = {1986},
booktitle   = {Congresso Brasileiro de Geologia}
}