46 years of environmental records from the Nevado Illimani glacier group, Bolivia, using digital photogrammetry.Published in:Annals of Glaciology, 2013, v. 54, n. 63, p. 272, doi. 10.3189/2013AoG63A494By:RIBEIRO, Rafael da Rocha;RAMIREZ, Edson;SIMÕES, Jefferson Cardia;MACHACA, AbrahamPublication type:Article