000 00301nam a2200133Ia 4500
001 16040
008 170722s9999 xx 000 0 und d
100 _aOhmer Merlin M.
245 _aElementary geometry for teachers /
260 _c1969
653 _aGeometry
653 _aMathematics
942 _cGEN
999 _c4129
_d4129