@misc
{TN_libero_mab2,
author = {
Kangro, Raimo
},
title = {
Klaviersonate Nr. 4
opus 23 = Piano sonata no. 4
},
publisher = {Sikorski},
year = {c 1996},
booktitle = {Exempla nova ; 206},
address = {
Hamburg
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}