@article{articledaea8b4e,
title   = {Quantification of tropical soil attributes from ETM+, /LANDSAT-7 data},
author = {Demattê, José Alexandre Melo and Galdos, M. V. and Guimarães, R. V. and Genú, A. M. and Nanni, M. R. and Zullo Junior, J.},
year = {2007},
doi = {10.1080/01431160601121469},
journal   = {International Journal of Remote Sensing}
}