1. Anraku, M.: Feeding habits of planktonic copepods (review). [In Japanese]. Inf. Bull. Planktol. Japan 9, 10?35 (1963)
2. Brown, A. Jr.: Experimental techniques for preserving diatoms used as food for larval Penaeus aztecus. Proc. natn. Shellfish Ass. 62, 21?25 (1972)
3. Clarke, G.L.: Elements of ecology, 534 pp. New York: John Wiley & Sons 1954
4. Coe, W.R.: Nutrition, environmental conditions and growth of marine bivalve molluscs. J. mar. Res. 7, 586?601 (1948)
5. Deshimaru, O. and K. Shigeno: Introduction to the artificial diet for prawn (Penaeus japonicus). Aquaculture 1, 115?133 (1972)