Unesco's standard - seeking instruments 

 - Paris:  UNESCO,  1981. 
 - Various pagings   :ill.  24cm. 
<br/><br/><label>Subjects--Personal Names: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unesco
<br/><br/><label>LC Class. No.: </label>AS4.U8U565