Pereira Neto, O.C. and Guimarães, M. de F. 2005. A method to account small areas (soil profiles) using GIS. Semina: Ciências Agrárias. 26, 4 (Jun. 2005), 495–500. DOI:https://doi.org/10.5433/1679-0359.2005v26n4p495.