1. The rendering industry: A historical perspective;Burnham,1996
2. Haugen, E. W., and J. E. Pettigrew. 1985. Apparent digestibility of amino acids in meat meal as affected by manufacturing variables. Pages 154–169 in Proceedings of the 46th Minnesota Nutr. Conf., Bloomington, MN.
3. March of Industry;Cleland,1927
4. Pearl, G. G. 2002. The Future of Animal Protein in Poultry Diets. Pages 1–9 in Proc. Multi-State Poult. Feeding Nutr. Conf., Indianapolis, IN.
5. Protein, and Amino Acids;Scott,1969