@misc
{TN_libero_mab2,
author = {
Schäffer, Bogusław
},
title = {
6 Études for string quartet
},
edition = {
Studienpartitur
}
,
publisher = {Collsch Edition},
year = {[2001]},
address = {
Salzburg
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}