Yu, Yingshi. <br/><br/>
Trade and expansion in Han China  a study in the structure of Sino-barbarian economic relations /  [electronic resource] : 
by Ying-Shih Yü. 
 - Berkeley :  University of California Press,  c1967. 
 - ix, 251 p. ;  22 cm. 
 - ACLS Humanities E-Book. .
<br/><br/> E-Book-ACLS / Zugriff nur im DHI-Lesesaal  American Council of Learned Societies/ https://www.humanitiesebook.org/about/ 
<br/><br/>Includes bibliographical references (p. 221-233) and index. 
<br/><br/><label>Standard No.: </label>2027/heb03190  hdl 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>China--History--Han dynasty, 202 B.C.-220 A.D.<br/>China--Foreign economic relations.