Guide to national bibliographical information centres . 

 - 3rd 
 -  1970 
 - (Unesco bibliographical handbooks.) .
<br/><br/><label>Standard No.: </label>30954 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>213g1:N7, L0