Olson, Thomas Mandaneous, 1884-1944. Elements of dairying / by T. M. Olson. - New York : The Macmillan company, 1938. - xvii, 570 p. : illus., fotos, tablas. 22 cm. Subjects--Topical Terms: PRODUCTOS LACTEOSINDUSTRIA LACTEA Universal Decimal Class. No.: 637.13