@book
{TN_libero_mab2,
author = {
Gregor-Dellin, Martin
},
title = {
Das kleine Wagnerbuch
},
edition = {
2. Aufl.
}
,
publisher = {Residenz Verl.},
isbn = {3701700788},
year = {1975},
address = {
Salzburg
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}