@inproceedings{inproceedingsa1213ad8,
title   = {Ichnofossils from the Passa Dois group (permian) near Santa Rosa de Viterbo, SP, southeastern Brazil},
author = {Fairchild, Thomas R. and Nogueira, Afonso César Rodrigues and Suguio, Kenitiro and Sousa, Silvia Helena de Mello e and Hiruma, Silvio Takashi},
year = {2000},
publisher = {IBB/UNESP},
booktitle   = {Paleo-2000}
}