@article{article761bbf75,
title   = {Septarian carbonate concretions in the Permian Rio do Rasto Formation: birth, growth and implications for the early diagenetic history of southwestern Gondwana succession},
author = {Alessandretti, Luciano and Warren, Lucas Verissimo and Machado, Rômulo and Novello, Valdir F. and Sayeg, Isaac Jamil},
year = {2015},
doi = {10.1016/j.sedgeo.2015.06.007},
journal   = {Sedimentary Geology}
}