Megistos; a world income and trade model for the 1975. 
Ed. by C. Duprez and E. S. Kirschen.  
 - Amsterdam,  New York,  North-Holland Pub. Co.;  American Elsevier  [1970]  
 - xxxi, 668 p. 9 fold. l  23 cm. 
<br/><br/> "List of countries belonging to each zone": fold. leaf inserted.  
<br/><br/>Includes bibliographies.  
<br/><br/><label>ISBN: </label>044410030X(AmericanElsevier 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce--Mathematical models.<br/>Economic development--Mathematical models.
<br/><br/><label>LC Class. No.: </label>HF1007  / .D83