@book
{TN_libero_mab2,
author = {
Bitter, Carl Hermann
},
title = {
Carl Philipp Emanuel und Wilhelm Friedemann Bach und deren Brüder
},
publisher = {Müller},
keywords = {
Söhne
},
year = {18XX-},
address = {
Berlin
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}