@book{Börzel2018,
author = {Börzel, Tanja A. and Risse, Thomas},
year = {2018},
language = {eng},
copyright = {https://creativecommons.org/licenses/by-nc-sa/4.0/},
title = {Conceptual framework},
url = "http://dx.doi.org/10.17169/refubium-2519",
}