1. On the structure of vaterite CaCO3
2. http://www.geol.vt.edu/geochem/pmd/SummaryBiologicalMineralization.html.
3. Decay-induced biomineralization of the saguaro cactus (Carnegiea gigantea)
4. , , , , and , The Pancreas, Eds. Blackwell Scientific Publications, London, 1998.
5. in “Calcific Pancreatitis: Causes and mechanisms in the tropics compared to subtropics”, Edn I, Varghese Publishing House, Bombay, 1976.