Concerning limitations and further corrections to geometric-optical theory for LF, VLF propagation between ionosphere and the ground
- 1 January 1964
- journal article
- Published by National Institute of Standards and Technology (NIST) in Journal of Research of the National Bureau of Standards, Section D: Radio Science
- Vol. 68 (1) , 67
- https://doi.org/10.6028/jres.068d.017