@book{Guske2016,
author = {Guske, Anna-Lena and Jacob, Klaus and Gotsch, Matthias and Walz, Rainer},
year = {2016},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Umfelder Nachhaltigen Wirtschaftens},
url = "http://dx.doi.org/10.17169/refubium-24204",
}