Long, H. F Bacteriology of butter : effect of moisture dispersion in butter on growth of bacteria / H. F. Long, B. W. Hammer - Ames, Iowa : Agricultural Experiment Station - 150-163 p. - Iowa. Agr. Exp. Sta. Research Bull; 246 . LCCN: 203544 Subjects--Topical Terms: Mantequilla -- AnĂ¡lisis