Guide to industrial directories.  Guide des répertoires de matériel industriel. Guia de anuarios industriales. 

 - New York :  United Nations ,  1970 
 - xvi, 137p. ;  28 cm. 
<br/><br/> "United Nations publication sales no.: E.F.S. 71.11.B.5." 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce--Directories--Bibliography
<br/><br/><label>Dewey Class. No.: </label>UN 338  / UNIDO-5