@inproceedings{inproceedings9a578e19,
title   = {Lindbergite, a naturally-occurring manganese oxalate dihydrate from Brazil and other occurrences},
author = {Atencio, Daniel and Coutinho, José Moacyr Vianna and Graeser, Stefan and Matioli, Paulo Anselmo and Menezes Filho, Luiz Alberto Dias},
year = {2004},
publisher = {IUGS},
booktitle   = {International Geological Congress}
}