Sundstrom, Lars <br/><br/>
The exchange economy of pre-colonial tropical Africa / 
Lars Sundstrom 
 - London :  C. Hurst ,  1974 
 - xxii, 262p. ;  30 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International trade<br/>Commerce<br/>History
<br/><br/><label>Dewey Class. No.: </label>382.1  / SUN