000 00332nam a2200145Ia 4500
020 _a0170078051
082 _b944
_a500
100 _a"Dorothy Symington"
245 0 _aGreat Inventions
260 _bcolorcraft
_aHong Kong
_c1990
300 _a24
944 _cBK
999 _c239221
_d239221