Nonet No. 1 / String Quartets Nos. 11, 12, 13

Kūriniai:

A1 - Nonet No. 1, Op. 40 (1931)
A2 - String Quartet No. 11, Op. 87 (1958 in 1/6 tone system)
B1 - String Quartet No. 12, Op. 90 (1960 in 1/4 tone system)
B2 - String Quartet No. 13, Op. 92 "Astronautic" (1961)