00329nam a2200133Ia 450000500170000008000180001710000250003524500500006026000260011030000110013658300190014794200120016699900170017820260716043046.0  a01.03.02 U586  aM'Bow, Amadou-Mahtar  aUNESCO on the eve of its fortieth anniversary  bUNESCOaParisFRc1985  a216 p.  c3/7/00kM2LMGR  cMmU586  c39530d39530