text London Earthscan Publications 1990 monographic 154 p. ; 22cm. Edward B. Barbier ... [et al.]. Includes bibliographical references and index. Ivory industry Economic history and conditions (National production) Elephants Economic history and conditions (National production) HD9429.I862 E38 1990 1853830739 : 91153978 UOEL 000 20141125113729.0 604991