1. Regularities and irregularities in the Ionosphere;Appleton,1937
2. Normal and abnormal region-E ionization;Appleton,1940
3. The basic reactions in the upper atmosphere. I;Bates,1946
4. A sweep frequency ionospheric recorder for the low frequencies;Blair,1952
5. The study of solar flares by means of very long radio waves;Bracewell;M.N.R.A.S.,1949