Books by Ernest G. Ritzman:
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Ritzman, Ernest G. (Ernest George), 1875-: Nutritional Physiology of the Adult Ruminant (Carnegie Institution of Washington publication #494; 1938), also by Francis Gano Benedict (page images at HathiTrust)- Ritzman, Ernest G. (Ernest George), 1875-: Undernutrition in Steers: Its Relation to Metabolism, Digestion, and Subsequent Realimentation (Carnegie Institution of Washington publication #324; 1923), also by Francis Gano Benedict
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