@book
{TN_libero_mab2,
author = {
Krüger, Eduard
},
title = {
System der Tonkunst
},
publisher = {Druck und Verlag von Breitkopf & Härtel},
keywords = {
Musik
},
year = {1866},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}