@article{article692c7dd7,
title   = {Columnar joints in the Patiño Formation sandstones, Eastern Paraguay: a dynamic interaction between dyke intrusion, quartz dissolution and cooling-induced fractures},
author = {Velázquez Fernandez, Victor and Giannini, Paulo César Fonseca and Riccomini, Claudio and Sallun, Alethéa Ernandes Martins and Hachiro, Jorge and Gomes, Celso B.},
year = {2008},
doi = {10.18814/epiiugs/2008/v31i3/003},
journal   = {Episodes}
}