http://pec.lib.wvu.edu/record/P88931960Studies on the physiology and biochemistry of germ cells. I. The effect of aging on respiration and glycolysis in bovine spermatozoa.Journal article reprint from: <em>The Anatomical Record</em>, v.137:no.3 (1960:July).Norman, Charles.Porterfield, I. D. (Ira Deward), 1920-Goldberg, Erwin.Cattle--Spermatozoa--Research.14256