TY  - JOUR 
T1  - Sub-pixel estimation of tree cover and bare surface densities using regression tree analysis
JO  - CERNE
A1  - Toneli, Carlos Augusto Zangrando
A1  - Carvalho, Luis Marcelo Tavares de
SN  - 0104-7760
UL  - 10.1590/S0104-77602011000300016
VL  - 17 
Y1  - 2011
PB  - Brasil 
ER  -