Aitchison , Jean . <br/><br/>
Unesco thesaurus /  
Jean Aitchison. 
 - Paris :   UNESCO ,   1977. 
 - 2v. :   ill. ;   24 cm .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> NULL (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>CONTROLLED SUBJECT VOCABULARIES 
<br/><br/><label>Dewey Class. No.: </label>025.49  / AIT