Silva, Carlos Humberto da, et al. “ The Canastra Group in the Type-Area, Tapira Region, Southwest of Minas Gerais State, Brazil ”. Geologia USP. Série Científica, vol. 12, no. 2, Aug. 2012, pp. 83-98, https://doi.org/10.5327/Z1519-874X2012000200006.