1. The estimation of pepsin, trypsin, papain and cathepsin with hemoglobin;Anson;J. Gen. Phys.,1938
2. Development of digestive secretion in white sturgeon juveniles;Buddington;Comp. Biochem. Physiol.,1986
3. A Guide to the Study of Fish Growth and Age;Chugunova,1959
4. Ontogeny of enzymatic activities in fed and fasting turbot, Scophthalmus maximus L;Cousin;J. Fish Biol.,1987
5. Morphological characterization of digestive system in rainbow trout (Salmo irideus Gibbons) under different feeding on early stages of onthogenesis;Dement'eva;Thesis,1976