@article{articleabcf30d2,
title   = {Occurrence and Composition of Columbite-(Fe) In the Reduced A-Type Desemborque Pluton, Graciosa Province (S-SE Brazil)},
author = {Siachoque Velandia, Astrid and Garcia, Rodolfo and Vlach, Silvio Roberto Farias},
year = {2020},
doi = {10.3390/min10050411},
journal   = {Minerals}
}