@misc
{TN_libero_mab2,
author = {
},
title = {
Karl Liebknecht
},
publisher = {Progress Film-Verleih},
keywords = {
Film
,
Liebknecht, Karl
},
year = {19XX-},
booktitle = {DEFA-Spielfilm},
address = {
[Berlin]
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}