共 16 条
- [3] BRADBURY NE, 1938, TERR MAGN ATMOS ELEC, V43, P55
- [5] Heights of reflection of radio waves in the ionosphere [J]. PHYSICAL REVIEW, 1937, 51 (05): : 333 - 341
- [6] SMITH G, P I RAD ENG
- [7] 1938, UN RAD SCI INT P, P272
- [8] 1939, SCIENCE, V90, P137
- [9] 1937, P ROY SOC LONDON A, V162, P451
- [10] 1932, P PHYS SOC LONDON, V44, P580