Indexes to the international standard industrial classification of all economic activities / 

 - New York :      UN ,  1971     
 - v, 247p. ;  28 cm. 
 - Statistical papers series M .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial classification
<br/><br/><label>Dewey Class. No.: </label>338.81  / SO