Variables Selection for Aboveground Biomass Estimations Using Satellite Data: A Comparison between Relative Importance Approach and Stepwise Akaike's Information Criterion. - Rita Libertad Adame-Campos; Adrián Ghilardi; Yan Gao 022; Jaime Paneque-Gálvez; Jean-François Mas (ISPRS Int. J. Geo Inf., 2019)