000 00338nam a2200145Ia 4500
020 _a8171816460
082 _b.109
_a000
100 _a"Malhotra, Vandana"
245 0 _aHow Things Work.
260 _bTaylor, Barbara
_aNew Delhi
_c1999
300 _a64
944 _cBK
999 _c384094
_d384094