000 00293nam a2200121Ia 4500
008 190709s9999 xx 000 0 und d
082 _a513 H142A,
100 _aHall, H S
245 0 _aSchool geometry
260 _aCalcutta
_bMacmillan and Co. Ltd.
_c1963
300 _avii,374-442
942 _cBK
999 _c2098
_d2098