00413nam a22001337a 450000500170000000800410001702000180005804000160007604100070009205000250009924501170012426000280024130000100026920150821054130.0150821b        xxu||||| |||| 00| 0 eng d  a92-3-001037-5  aKYUCLcKYUC  aEN  aZ 6483 b.U5U47 1973  aBibliography of publications issued by Unesco or under its auspices:bThe first twenty- five years: 1945 to 1971  aParis :bUnesco,c1973.  a385p.