@misc
{TN_libero_mab2,
author = {
Williamson, Malcolm
Wilde, Oscar
},
title = {
The happy prince
opera in one act
},
edition = {
Vocal score
}
,
publisher = {Weinberger},
year = {c 1965},
address = {
London
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}