Bärenreiter Einführung In das Lagenspiel
Bärenreiter Einführung in das Lagenspiel, School for Violoncello, 125 small exercises for violoncello, By Anna Marton, From the first to the sixth position, Easy to medium difficulty, ISMN 9790006481491, catalogue no. BA 6649, Format: DIN A4, 48 Pages, In German language