@book{Gras2013,
author = {Gras, Carla},
year = {2013},
language = {spa},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Agronegocios en el Cono Sur},
url = "http://dx.doi.org/10.17169/refubium-23281",
}