Leaver, J. D. Milk production : science and practice - London : Longman, 1983 - 173 p. : ilus. - Longman handbooks in agriculture . - Longman handbooks in agriculture . LCCN: 11231 Subjects--Topical Terms: Ganado lechero.Granjas lecheras.Leche--Producción. Dewey Class. No.: 636.2 / L43