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3. Studies on the nutrition of marine flatfish. Growth of the plaice Pleuronectes platessa on diets containing proteins derived from plants and other sources;Cowey;Mar. Biol.,1971
4. Effect of partially or totally replacing fish meal protein by soybean meal protein on growth, food utilization and proteolytic enzyme activities in rainbow trout (Salmo gairdneri). New in vivo test for exocrine pancreatic secretion;Dabrowski;Aquaculture,1989
5. Multiple range and multiple F-tests;Duncan;Biometrics,1955