@book{Jahn2015,
author = {Jahn, Detlef and Düpont, Nils},
year = {2015},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Estimating the Position of the European Union},
url = "http://dx.doi.org/10.17169/refubium-22740",
}