Elkin, 2002. In: Poultry Feedstuffs Supply, Composition and Nutritive Value. Editors: McNab, J. and Boorman, N. Poultry science symposium series ; volume 26

Elkin, R. G., 2002. Nutritional components of feedstuffs: a qualitative chemical appraisal of protein. In: Poultry Feedstuffs Supply, Composition and Nutritive Value. Editors: McNab, J. and Boorman, N. Poultry science symposium series ; volume 26