12 Triolettos, for 2 Violins and Viola
(According to Zeyringer)
http://music4viola.info/work-info/3/Beckerath%20A./12-triolettos-for-2-violins-and-viola
Instrument List
2 Violins, Viola
Genres
String Trio
Literature
• Ewald · Directory «Musik für Bratsche», CH, 2013
• Zeyringer · Directory «Literatur für Viola», 1976
Publisher
• Gerig, 1972