@book
{TN_libero_mab2,
author = {
Günther, Ulrich
AND
Ott, Thomas
AND
Ritzel, Fred
},
title = {
Musikunterricht
1/6
},
publisher = {Beltz},
isbn = {3407260229},
year = {1982},
address = {
Weinheim
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}