1. Balachandran, K.K., Sankaranarayanan, V.N., Thresiamma, Joseph, Maheswari, Nair, 1999. Non-conservative controls on distribution of dissolved silicate in Cochin backwaters. Proceedings of the Fourth Indian Fisheries Forum, Kochi, India, pp. 77–79.
2. Balachandran, K.K., Thresiamma, Joseph, K.K.C., Nair, Maheswari Nair, Joseph, P.S., 2002. The complex estuarine formation of six rivers (Cochin backwater system on West Coast of India)—sources and distribution of trace metals and nutrients. Assessment of Material Fluxes to the Coastal Zone in Southeast Asia and Their Impacts, APN/SASCOM/LOICS Regional Workshop, Negombo, Sri Lanka, 8–11 December 2002, pp. 103–113.
3. Ashtamudi management plan;Black,2001
4. Geological considerations, Appendix B;Brown,1938