TY  - BOOK
AU  - Alpers, Edward A.
TI  - Ivory and Slaves in East Central Africa: Changing Pattern of International Trade in East Central Africa to the Later Nineteenth Century
SN  - 9780520312197
PB  - Walter de Gruyter
KW  - History
UR  - http://www.degruyter.com/isbn/9780520312197
ER  -