000 00336nam a2200145Ia 4500
020 _a0783591241
082 _b3258
_a000
100 _a"Porter,Alison"
245 0 _aHOW things Work
260 _b,Time warner books
_ahong kong
_c1997
300 _a64
944 _cBK
999 _c512627
_d512627