@article{article41ca2cfb,
title   = {Esker-like features in the Itararé subgroup (late paleozoic), northern Paraná basin, Brazil},
author = {Araujo, Marcos R. and Canuto, José Roberto},
year = {2002},
doi = {10.1590/s0001-37652002000300017},
journal   = {Anais da Academia Brasileira de Ciências}
}