@article{article7496e08f,
title   = {Using numerical classification of profiles based on Vis-NIR spectra to distinguish soils from the Piracicaba Region, Brazil},
author = {Rizzo, Rodnei and Demattê, José Alexandre Melo and Terra, Fabrício da Silva},
year = {2014},
doi = {10.1590/S0100-06832014000200002},
journal   = {Revista Brasileira de Ciência do Solo}
}