000 00290cam a22000977a 4500
008 180718b1958 xxu||||| |||| 00| 0 eng d
082 _aR P065 Un3/2
245 _aWorld of Education
260 _aParis
_bUnited Nations Educational, Scientific and Cultural Organisation
_c1958
300 _a1387p.
999 _c494452
_d494452