Selective inventory of social science information and documentation services: 

 - 5th ed. 
 - Paris:  as author,  1998. 
 - xiii, 453p.: 
<br/><br/><label>ISBN: </label>92 3 003500 9 
<br/><br/><label>Dewey Class. No.: </label>025.063  / UNE N98S