@inproceedings{inproceedingsa1a8871a,
title   = {Crushed stone quarries in Brazil},
author = {Hennies, Wildor Theodoro and Stellin Junior, Antônio and Soares, Lindolfo and Fujimura, Fernando and Lauand, Carlos Tadeu and Martín Cortés, Guillermo Ruperto},
year = {2006},
publisher = {Fiordo S.L.R.},
booktitle   = {International Symposium on Mine Planning and Equipment Selection}
}