@book{2023:bieber:die_europ,
title = {Die Europäische Union},
year = {2023},
note = {},
edition = {},
publisher = {Nomos},
address = {Baden-Baden},
series = {NomosLehrbuch},
volume = {},
author = {Bieber, Roland and Epiney, Astrid, LL.M. and Haag, Marcel and Kotzur, Markus, LL.M.}
}