Beaudiquez, Marcelle <br/><br/>
Bibliographical services throughout the world 1970-1974 / 
by Marcelle Beaudiquez. 
 - París :  UNESCO,  1977. 
 - 419 p. 
 - Documentation, libraries and archives : bibliographies and refernce works ;  3. .
<br/><br/><label>ISBN: </label>923101394 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 01 (100) =20 "1970-74" BEA No.3.