@book{Werland2015,
author = {Werland, Stefan and Range, Claire},
year = {2015},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {PolRess Policy Paper 7: Anreize für freiwillige Instrumente},
url = "http://dx.doi.org/10.17169/refubium-23439",
}