@book{Graaf2015,
author = {Graaf, Lisa and Werland, Stefan and Jacob, Klaus},
year = {2015},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Nexus Ressourceneffizienz und Wasser},
url = "http://dx.doi.org/10.17169/FUDOCS_document_000000022192",
}