References
- Piggot, W. R., “Ionospheric measurements at Ibadan, Nigeria, during the eclipse of the sun, February 25th, 1952” (Published in Proceedings of the meeting of U.S.R.I., Canberra, August 1952).
- Ranzi, I., “The ionosphere during the partial solar eclipse observed at Buenos Aires, 20th August 1952” (Published in Alta Frequenza, April 1953).
- Estrabaud, S., “Effect of the solar eclipse of 25th February 1952 on the ionospheric F2 region over equatorial Africa” (Published in C.R. Acad. Science, Paris, December 1952).
- Nakata, Y., “Effects on the F regions of the ionosphere of the solar eclipse of May 9, 1948” (Report of Ionosphere Research, Japan, 1950, Vol. 4).