Decisions adopted by the Executive Board at its 137th session :  Paris, 30 September 5 November 1991. 

 - París :  UNESCO,  1991. 
 - x, 31 p. 
 - Executive Board ;  Ex Decisions  137. .
<br/><br/><label>Encabezamiento--Nombre Corporativo: </label><br/>UNESCO ---INFORMES