1. Textbook of urology for student and practitioners;Eisendrath,1928
2. Histologie;Leeson,1971
3. Renal pelvis and ureter;Narath,1951
4. Lokalisation of the pace maker for peristalsis in the intact canin ureter;Weiss;Invest. Urol.,1967
5. The function of the ureter and renal pelvis;Kiil,1957