Beaudiquez, Marcelle. <br/><br/>
Bibliographical services throughout the world 1970-74 /  
Marcelle Beaudiquez. 
 - [París] :   UNESCO,   [1977] 
 - 419 p. ;   21 cm. 
 - Documentation, Libraries and Archives. Bibliographies and Reference Works .
 - Documentation, Libraries and Archives. Bibliographies and Reference Works .