000 00325nam a2200133Ia 4500
008 220201s1966 xx 000 0 eng d
041 _aENG
100 _aHELLMAN, CHARLES I
245 0 _aELEMENTS OF RADIO
250 _a3RD
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1966
300 _a1018
942 _2ddc
999 _c39998
_d39998