@incollection{Hartlapp2019,
author = {Hartlapp, Miriam},
year = {2019},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {European Union social policy},
booktitle = {Routledge handbook of European welfare systems},
url = "http://dx.doi.org/10.17169/refubium-26411",
}