1. Histological typing of urinary bladder tumours, no 10;WHO,1973
2. Transitional cell neoplasms of the urinary bladder: can biologic potential be predicted from histologic grading?;Jordan;Cancer,1987
3. Urological pathology,1997
4. The lower urinary tract;Reuter,1994
5. Tumors of the kidney, bladder and related structures, third series;Murphy,1994