1. B.S. Bhimacher, and A. David,Proc. 33rd Ind. Sci. Congr. 3, 130 (1946).
2. H. K. Bhatti,Pak. J. Sci. 3, 77 (1950).
3. S. Banerjea, M. P. Motwani, and S. J. Karamchandani,Indian J. Fish. 3, 186 (1956).
4. S. Banerjea and M. P. Motwani,Indian J. Fish. 7, 107 (1960).
5. A. Beg,Proc. W. Pak. Fishery Officers Conf., pp. 139–244 (1963).