Measurements and computations of the atmospheric irradiance - Plana-Fattori, Artemio; Costa, Simone Marilene S. da; Corrêa, Marcelo de Paula; Fomin, Boris; Tarasova, Tatiana; Manzi, Antonio Ocimar; Randow, Celso von (Conference on the Large Scale Biosphere-Atmosphere Experiment in Amazonia(LBA), 2000)