@article{article73be6e52, title = {Origin and preservation of stratigraphically repeated, glacially striated surfaces in the Itararé subgroup (late paleozoic) in Palmeira, state of Paraná}, author = {Trosdtorf Júnior, Ivo and Rocha-Campos, A. C. and Tomio, Alexandre and Santos, Paulo Roberto dos and Canuto, José Roberto}, year = {2001}, doi = {10.1590/s0001-37652001000300024}, journal = {Anais da Academia Brasileira de Ciências} }