@misc
{TN_libero_mab2,
author = {
Bach, Johann Sebastian
Grützmacher, Friedrich
},
title = {
Drei Sonaten für Piano u. Viola da gamba oder Violoncello
},
publisher = {Peters},
year = {[ca. 1956]},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}