1. Percutaneous stone manipulation;Aiken;J. Urol.,1981
2. Teleskopbougierset zur perkutanen Nephrostomie;Aiken;Akt. Urol.,1981
3. Percutaneous ultrasonic destruction of renal calculi with ultrasound;Aiken;Urol. Clin. North Am.,1982
4. Ureteroscopy;Bush;Urol. Clin. North Am.,1982
5. Nonsurgical treatment of renal calculi with shock-waves;Chaussy,1983