@article{article6d640120,
title   = {Glacially striated, soft sediment surfaces on late Paleozoic tillite at São Luiz do Purunã, PR},
author = {Trosdtorf Júnior, Ivo and Assine, Mario Luis and Vesely, Fernando Farias and Rocha-Campos, A. C. and Santos, Paulo Roberto dos and Tomio, Alexandre},
year = {2005},
doi = {10.1590/s0001-37652005000200013},
journal   = {Anais da Academia Brasileira de Ciências}
}