Gatenby, Ruth M., 1955- Sheep production in the tropics and sub-tropics / Ruth M. Gatenby. - London ; New York : Longman, 1986. - ix, 351 p., [4] p. of plates : ill. (some col.) ; 23 cm. - Tropical agriculture series . Includes index. Bibliography: p. 293-335. ISBN: 0582404045 : Subjects--Topical Terms: Sheep--Tropics. Dewey Class. No.: 636.3 / GAS 1986