@misc
{TN_libero_mab2,
author = {
Beethoven, Ludwig van
Schmidt-Görg, Joseph
},
title = {
Variationen für Klavier
},
edition = {
Urtext
}
,
publisher = {Henle},
year = {19XX-},
address = {
München [u.a.]
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}