000 00301nam a2200145Ia 4500
100 _aU E M
020 _a0-586-08173-9
365 _b150
942 _cBK
654 _a
245 _aHow things work ; Vol-II
260 _aNew Delhi
_bHarper Collins
_c1992
082 _a621.03
300 _bPb
_a592
999 _c367922
_d367922
041 _aeng