Theil, Henri. <br/><br/>
Linear aggregation of economic relations / 
by H. Theil. 
 - Amsterdam : New York :  Amsterdam : New York :  North-Holland Pub. Co. ; American Elsevier Pub. Co.,  North-Holland Pub. Co. ; American Elsevier Pub. Co.,  1965. 
 - Contributions to economic analysis ;  7 .
<br/><br/> Preface dated 1954; this edition is "Second printing, 1965." 
<br/><br/>Includes bibliographical references, footnotes, and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set theory.<br/>Statistics.<br/>Set theory.<br/>Economics, Mathematical.