000 00340nam a2200133Ia 4500
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041 _aEnglish
245 0 _aICSU Bulletin
260 _aParis :
_bInternational Council of Scientific Union,
_c1973
300 _a51p.;
_c22cm
650 _aBulleting
942 _cBT
999 _c154935
_d154935