Global albedo, BRDF and nadir BRDF-adjusted reflectance products from MODIS. - Crystal Barker Schaaf; Alan H. Strahler; Feng Gao 009; Wolfgang Lucht; Yufang Jin; Xiaowen Li 001; Xiaoyang Zhang 001; Elena Tsvetsinskaya; Jan-Peter Muller; Philip Lewis; Michael J. Barnsley; Gareth Roberts; et al. (IGARSS, 2002)