000 00407nam a2200157Ia 4500
008 250428s9999 xx 000 0 und d
082 _a621.31 D87p 1964
245 0 _aPOWER prime mover of technology
245 0 _cDUFFY, JOSEPH W. 1964
260 _bMcknight & mcknight Publishing company
260 _c1964
300 _axiv
526 _a600 Technology (App Sciences)
942 _2DDC
942 _cB
999 _c15940
_d15940