000 00282nam a22001097a 4500
082 _a621.381 LEW'E
100 _aLEWIS, RHYS
_957317
245 _aELECTRIC SYSTEMS FOR RADIO TELEVISION AND ELECTRONIC MECHANICS
260 _aNEWYORK
_bMACMILLAN
_c1973
300 _a223P
942 _cBK
999 _c583312
_d583312