000 00285nam a2200109Ia 4500
008 160710s1947 xx 000 0 und d
100 _aHENNINGER,G. ROSS ED
245 _aELECTRICAL ENGINEERING
260 _bMCGRAW HILL PUBLICATION COMPANY INC
_c1947
300 _a856
942 _2ddc
_cB
999 _c23483
_d23483