000 00278nam a2200109Ia 4500
008 160710s1958 xx 000 0 und d
100 _aTIMBLE,W.H. & RICKER,F.J.
245 _aBASIC ELECTRICITY FOR COMMUNICATION
260 _bJOHN WILEY
_c1958
300 _a538
942 _2ddc
_cB
999 _c21970
_d21970