@misc
{TN_libero_mab2,
author = {
Beethoven, Ludwig van
Bartók Vonósnégyes
},
title = {
String quartet in C minor, op. 18, no. 4
},
publisher = {Qualiton},
keywords = {
Schallplatte
},
year = {[1974]},
abstract = {Cinq études pour quatuor à cordes László Lajtha},
address = {
Budapest
},
}