@inproceedings{inproceedingscda73bc0,
title   = {Sub-horizontal discontinuities of large extension in the basaltic lava-flows nucleus of the parana basin (brazil)},
author = {Souza Junior, N N and Campos, J O},
year = {1990},
publisher = {Balkema},
booktitle   = {International Symposium on Rock Joints}
}