000 00231nam a2200085 4500
080 _a621.3
_bPRA.68
245 _aWorked examples in electrotechnology. Ed - 8
100 _aPratt, W.T
260 _aLondon
_bHutchinson Technical Education
_c1968
300 _axxiv+325p
999 _c28449
_d28449