1. The calculation of electron density profiles from oblique ionograms
2. HF ground backscatter analysis with the aid of computer ray tracing;Maliphant,1968
3. The refractive deviation of radio waves that penetrate the Earth's ionosphere;Maliphant;DRTE Rep. No. 1090,1962
4. Accurate transmission curves for vertical incidence ionograms and the production of a general transmission slider;Maliphant,1963