Yu, Ying-shih <br/><br/>
Trade and expansion in Han China :  a study in the structure of Sino-barbarian economic relations / 
by Ying-shih Yu 
 - Berkeley, Calif :  University of California Press,  c1967 
 - xv, 251 p. :  ill., maps ;  22 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 11.00 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>China--History--Han dynasty, 202 B. C.-220 A. D<br/>China--Foreign economic relations
<br/><br/><label>Dewey Class. No.: </label>931