@inproceedings{inproceedings7f88059f,
title   = {Predicting weathering grades by Schmidt hammer test: an investigation on granitic rock materials from Southeastern Brazil},
author = {Basu, Arindam and Celestino, Tarcísio Barreto and Bortolucci, Antônio Airton},
year = {2007},
publisher = {Taylor & Francis/Balkema},
booktitle   = {Congress of the International Society for Rock Mechanics (ISRM)}
}