000 00384nam a2200133Ia 4500
008 240112s9999 xx 000 0 und d
082 _aSHR-E4
_b621.38
100 _aShrader, Robert L
245 0 _aElectronic communication
250 _a4
260 _a New York
_bMcGraw-Hill Book Company
_c1981
650 _aElectronics and communication engineering; Applied physics
942 _cBK
999 _c13005
_d13005