000 00332nam a2200145Ia 4500
100 _aDavies/Kenneth
650 _aElectrical Engineering
942 _cBK
654 _aRadio
245 _aIonospheric Radio Pro Pagoation
260 _bNational Burearu
_aWashington
_c1965
082 _a621.3
300 _a470
546 _aENGLISH
999 _c20147
_d20147