References
- Vikramsingh, Rajendra, Rao, M. N. & Uda, Shintaro, “Microwave field strength and fading behind a ridge”, Proc. Indian Sci. Congr., 44th Session, Part III, Abstracts, p. 46, Calcutta, 1957.
- Silver, S., Microwave antenna theory and, design (McGraw-Hill Book Co. Inc.), 1st ed., 1949, pp. 252, 253.