Ecosystem Structure throughout the Brazilian Amazon from Landsat Observations and Automated Spectral Unmixing Asner, Gregory P. ; Knapp, David E. ; Cooper, Amanda N. ; Bustamante, Mercedes M. C. ; Olander, Lydia P. Abstract Publication: Earth Interactions Pub Date: 2005 DOI: 10.1175/EI134.1 Bibcode: 2005EaInt...9g...1A