Culture of fish in ponds
Hall, C.B.
Culture of fish in ponds A summary of the successful methods employed in fish-farming countries - London 1936 - 1-36 p. - Fish Ministry of Agriculture and Fisheries. Bulletin No. 12 .
Culture of fish in ponds A summary of the successful methods employed in fish-farming countries - London 1936 - 1-36 p. - Fish Ministry of Agriculture and Fisheries. Bulletin No. 12 .