@book
{TN_libero_mab2,
author = {
Wagner, Richard
Wagner, Minna
},
title = {
Richard Wagner an Minna Wagner
1. Band
},
edition = {
5. Auflage
}
,
publisher = {Schuster & Loeffler},
year = {1908},
address = {
Berlin
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}