Nevens, William Barbour, 1885-. Principles of milk production / by William Barbour Nevens. - Jodhpur : Axis, 2010. - viii, 443 pages : illustrations. ISBN: 9788190906593 : US$70 Subjects--Topical Terms: Dairying.Milk yield.Dairying. LC Class. No.: SF239 / .N45 Dewey Class. No.: 637