@book
{TN_libero_mab2,
author = {
Gregor-Dellin, Martin
AND
Gregor-Dellin, Martin
Wagner, Richard
},
title = {
Richard Wagner - die Revolution als Oper
},
publisher = {Hanser},
isbn = {3446117873},
keywords = {
Wagner, Richard 1813-1883
,
Wagner, Richard
,
Oper
},
year = {1973},
booktitle = {Reihe Hanser ; 129},
address = {
München
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}