A System of international comparisons of gross product and purchasing power / 
produced by the Statistical Office of the United Nations, the World Bank, and the International Comparison Unit of the University of Pennsylvania, Irving B. Kravis ... [et al.]. 
 - Baltimore :  Published for World Bank by Johns Hopkins University Press,  [1975] 
<br/><br/> At head of title: United Nations International Comparison Project: phase one. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>a13.1..1.11 a13.2..1.10 
<br/><br/><label>LCCN: </label>73019352 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Income.<br/>Gross national product.<br/>Purchasing power.
<br/><br/><label>LC Class. No.: </label>HC79.I5  / S97 
<br/><br/><label>Dewey Class. No.: </label>339.2/01/8