000			00273nam a2200121Ia 4500
100			_aInternational Bureau of Education
942			_cBK
245			_aBulletin No. 87
260			_aGeneva _bI.B.E. _c1948
082			_a370.5 _bI.B.E.
300			_a2,81-95
546			_aEnglish
999			_c330074 _d330074
041			_aeng