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2. Brown (Edit.) - The Physiology of Fishes, Vol. I. Metabolism. Chap. IX. 1957.
3. Daget - 1956 - Memoires sur la biologie des Poissons du Niger. II. Recherches sur Tilapia zillii (Gerv.); Bull. L'I.F.A.N., XVIII, Ser. A, No. 1.
4. Deason & Hile - 1947 - Age and Growth of the Kiyi, Leucichthys kiji (Kodz) in Lake Michigan; Trans. Amer. Fish. Soc..
5. Eddy & Carlander - 1940 - The Effect of Environmental Factors on the Growth Rates of Minnesota Fishes; Proc. Minnesota Acad. Sci. 8, 14–19.