Lasley, John Foster. Genetics of livestock improvement / John F. Lasley. - 3rd edition. - Englewood Cliffs, New Jersey : Prentice-Hall, c1978. - xvi, 492 pages : illustrations ; 24 cm. Includes bibliographies and index. ISBN: 0133511065 LCCN: 77022807 Subjects--Topical Terms: Livestock improvement)Livestock--Breeding.Livestock--Genetics. LC Class. No.: SF105 / .L36 1978 Dewey Class. No.: 636.08/21