000 00325nam a2200145Ia 4500
020 _a0431062722
082 _b.118
_a000
100 _a"Glover, David"
245 0 _aWhat Do Pulley And Gears Do.
260 _aLondon
_c1996
300 _a24
944 _cR
999 _c384112
_d384112