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George, Rani Mary and Thomas, P A and Jasmine, S and Nair, K Ramakrishnan and Vasanthakumar, R (1999) Observations on the distribution and seasonal fluctuations of Chaetognaths off Vizhinjam, Southwest coast of India. Journal of the Marine Biological Association of India, 40 (1 & 2). pp. 6-11.
Suseelan, C and Pillai, P P and Pillai, M Ayyappan and Nair, K Ramakrishnan (1985) Some observations on the trend of zooplankton and Its probable influence on local pelagic fisheries at Colachel during 1973-74. Indian Journal of Fisheries, 32 (3). pp. 375-386.