000 00221 a2200097 4500
001 25713
100 _aPratt, W T
245 _aWorked examples in Electro technology
260 _a
_bHthinson
_c1968
090 _c17402
_d17402
942 _aNUST-CAE
_cM
_c8228
999 _c260786
_d260786