1. CCIR Atlas of ionospheric characteristics;ComitéConsultatif International des Radiocommunications (CCIR);Report 340,1967
2. The representation of diurnal and geographical variation of ionospheric data by numerical methods;Jones;ITU Telecom. J.,1962
3. The representation of diurnal and geographical variation of ionospheric data by numerical methods;Jones;ITU Telecom. J.,1965
4. Propagatin of decameter waves (HF band);Rawer,1963
5. The historical development of forecasting methods for ionospheric propoagation of HF waves;Rawer;Radio Sc.,1975