Lasley, John Foster, Genetics of livestock improvement / John F. Lasley. - 4th ed. - Englewood Cliffs, NJ : Prentice-Hall, c1987. - xvi, 477 p. : ill. ; ISBN: 0133512061 Subjects--Topical Terms: Livestock--Breeding.Livestock--Genetics.Livestock improvement. LC Class. No.: SF105.L36 1987