@inproceedings{inproceedingsad68ff7b,
title   = {Aspects of the bearing capacity of root piles in some Brazilian soils},
author = {Carvalho, D. and Cintra, José Carlos Angelo},
year = {1993},
publisher = {Balkema},
booktitle   = {International Geotechnical Seminar on Deep Foundations on Bored and Auger Piles}
}