B. Gundling: Fun with Aquatic figure variations, self-published work, 1971, B. Gundling: Aquatic Enchaînements and Petite Compositions, self-published work, 1972.
B. Gundling: Fun with Aquatic figure variations, selbst herausgegeben, 1971, B. Gundling: Aquatic Enchaînements and Petite Compositions, selbst herausgegeben, 1972.