00276nam a2200109Ia 450000500170000008000180001710000250003524500500006026000260011030000110013658300190014720260716043046.0  a01.03.02 U586  aM'Bow, Amadou-Mahtar  aUNESCO on the eve of its fortieth anniversary  bUNESCOaParisFRc1985  a216 p.  c3/7/00kM2LMGR