@article{articlea74bd50c,
title   = {Facies and sequence stratigraphy of the Itararé and Guatá subgroups (late paleozoic), northern Paraná basin, Brazil},
author = {Chaves Junior, Antonio Marcelo and Canuto, José Roberto},
year = {2002},
doi = {10.1590/s0001-37652002000300020},
journal   = {Anais da Academia Brasileira de Ciências}
}