@book
{TN_libero_mab2,
author = {
Erben, Hans
},
title = {
Die unvergessene Stimme: Ross Ponselle, Giovanni Martinelli und Giuseppe de Luca
[Vortrag]
},
publisher = {},
year = {[circa 1960]},
address = {
S.l.
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}