@book{Börzel2014,
author = {Börzel, Tanja A. and Hüllen, Vera van},
year = {2014},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {External State-Building and Why Norms Matter},
url = "http://dx.doi.org/10.17169/refubium-22646",
}