1. and : Epithelial Tumours of the Salivary Glands. Philadelphia, W. B. Saunders, Co., 1970; pp. 58–76.
2. Basalzelladenome der speicheldr�sen
3. , and : Diseases of the salivary glands. In Thoma's Oral Pathology, vol. 2, 6th ed. and , Eds. St. Louis, C. V. Mosby Co., 1970; pp. 1005–1006.
4. : Pathology of Tumors, 4th ed. New York, Butterworth, 1967; p. 319.