1. Rauch, S. Die Speicheldrusendes Menschen. Stuttgart, Thieme, 1959
2. The natural history of lithogenesis and sialolithiasis, acute sialoscepsis and sialadenitis;DeBurgh Norman,1995
3. The chemistry of sialoliths – stones and their homes;Ashby,1995
4. Water Supply Companies Factbook.,1995
5. Ultrastructural and histochemical observations on microcalculi in chronic submandibular sialadenitis;Epivatianos;J Oral Pathol,1987