00229nam a2200109Ia 450000500170000008000190001724500160003626000260005230000110007858300190008965000110010820260716043735.0  a01.03.02 U5814  aBasic texts  bUnescoaParisFRc2006  a224 p.  c10/12/06kJOYD  aUNESCO