@inproceedings{inproceedings3e78e216,
title   = {Trend surface analysis of thickness data of the Chaco-Mesopotamian Basin, Argentina},
author = {Amaral, Gilberto and Rocha-Campos, A. C.},
year = {1972},
publisher = {IGc/USP},
booktitle   = {International Symposium on the Carboniferous and Permian Systems in South America}
}