@misc
{TN_libero_mab2,
author = {
Böttner, Robert
},
title = {
The Commission’s initiative on the passerelle clauses – Exploring the unused potential of the Lisbon Treaty
},
publisher = {Nomos Verlag},
isbn = {1435-439X},
year = {2020},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}