000 00287nam a2200121Ia 4500
008 160710s1953 xx 000 0 und d
082 _a621.3 PUM
100 _aPUMPHREY.F.H
245 _aELECTRICAL ENGINEERING
260 _bPRENTICE-HALL, INC.
_c1953
300 _a404
942 _2ddc
_cB
999 _c15854
_d15854