@book{Bönke2010,
author = {Bönke, Timm and Massarrat-Mashhadi, Nima and Sielaff, Christian},
year = {2010},
isbn = {978-3-941240-42-1},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Charitable giving in the German welfare state},
url = "http://dx.doi.org/10.17169/FUDOCS_document_000000009096",
}