1. Albertini, A. von: Histologische Geschwulstdiagnostik. Stuttgart: G. Thieme 1955.
2. Armenio, S., e A. Stochino: Gli adenomi delle ghiandole salivare. Riv. Anat, pat. 5, 721?772 (1952).
3. Azzofardi, J., and O. Smith: Salivary gland tumors and their mucins. J. Path. Bact. 77, 131?140 (1959).
4. Bauer, W. H., and J. D. Bauer: Classification of glandular tumors of the salivary glands. Study of 143 cases. Arch. Path. 55, 328?345 (1953).
5. Bhaskar, N. S., and J. P. Weinmann: Tumors of the minor salivary glands. A study of 23 cases. Oral Surg. 8, 1278?1279 (1955).