@inproceedings{inproceedingsf4a5bba3,
title   = {Crop production efficiency of sugarcane in the state of São Paulo: II. social and economic aspects},
author = {Marin, Fábio Ricardo and Pilau, Felipe Gustavo and Lopes-Assad, Maria Leonor C. and Assad, Eduardo and Vian, Carlos Eduardo de Freitas},
year = {2007},
booktitle   = {Congresso Brasileiro de Agrometeorologia}
}