1. Ansari SA, Rajagopal MD (1974) Distribution of mud phosphate in the Cochin backwater Mahasagar. Bull Natn Insts Oceanogr 7:69–72
2. Blaber SJM, Brew DT, Salini JP (1989) Species composition and biomass of fishes in different habitats of a tropical northern Australian estuary; their occurrence in the adjoin sea and estuarine dependence. East Coastal Self Sci 29:509–531
3. Chandran R (1982) Hydrobiological studies in the gradient zone of the Vellar estuary. Ph.D. Thesis Annamalai University, pp 95
4. Chandran R, Ramamoorthy K (1984) Hydrobiological studies in the gradient zone of Vellarestuary, Part-I: physico-chemical parameters. Mahasagar-Bull Natn Inst Oceanogr 17(3):133–140
5. Chandrasekaran V (1986) Studies on prawn and finfish seed resources of the Pichavaram mangrove region (Southeast Coast of India) Ph.D Thesis Annamalai University, pp 218