@book{Hetschko2015,
author = {Hetschko, Clemens and Preuss, Malte},
year = {2015},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Income in Jeopardy},
url = "http://dx.doi.org/10.17169/refubium-23304",
}