Alexandersson, Gunnar <br/><br/>
World shipping  an economic geography of ports and seaborne trade 
Gunnar Alexandersson, Goran Norstrom 
 - Wiley : New York  1963 
 - 507 p. : illus., maps (1 fold.) diagrs. ; 26 cm. 
<br/><br/>'Statistical sources': p. 465-467. 
<br/><br/><label>LCCN: </label>64-009833 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shipping<br/>Harbors<br/>International economic relations