Becegato, V. A., Onofre, S. B., Cabral, J. B. P., & Figueiredo, O. A. R. (2013). MULTIVARIATE ANALYSIS USING GAMMA SPECTROMETRIC AND GEOCHEMICAL DATA IN AREA OF SUGAR CANE PLANTATION IN THE STATE OF PARANÁ/BRAZIL. Geoambiente On-Line, (11), 01–14 pág. https://doi.org/10.5216/rev. geoambie.v0i11.25970