@book
{TN_libero_mab2,
author = {
Klippert, Heinz
},
title = {
Übungsbausteine für den Unterricht
},
publisher = {Beltz},
keywords = {
Unterricht
},
year = {1994-},
booktitle = {Beltz-Praxis},
address = {
Weinheim
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}