Dalton, D. C. An introduction to practical animal breeding / D.C. Dalton. - 2nd ed. - London : Collins, 1985. - 182 p. : ill. ; 24 cm. Includes index. Bibliography: p. 158-159. ISBN: 000383025X Subjects--Topical Terms: Livestock--Breeding. Dewey Class. No.: 636.08 / 21