"786.20947" . . "4806" . "786.2 |c Piano |d Piano" . . "4806 786.2 |c Piano |d Piano 786.20947 T0947 |c Rusland, Sovjet Unie |d Russia, Soviet Union" . "T0947 |c Rusland, Sovjet Unie |d Russia, Soviet Union" . . "4806" . .