@article{article2af5a1a9,
title   = {Histological and franboidal textures in diagenetic Pyrite from the Gondwana coal beds, Brazil},
author = {Ribeiro Filho, Evaristo and Mussa, Diana},
year = {1977},
doi = {10.11606/issn.2316-8978.v8i0p01-20},
journal   = {Boletim IG}
}