000 00271nam a2200109Ia 4500
008 160710s1959 xx 000 0 und d
100 _aSHRADET,ROBERT L.
245 _aELECTRONICS COMMUNICATION
260 _aNEW YORK
_bMCGRAW HILL
_c1959
300 _a937
942 _2ddc
_cB
999 _c22401
_d22401