1. Andreeva E. S. Galinov A. V. Kunitsyn V. E. Mel nichenko Yu. A. Tereshchenko E. D. Filimonov M. A. & Chernykov S. M. 1990 Radio tomographic reconstruction of ionisation dip in the plasma near the Earth. 52 145.
2. Austen J. R. Franke S. J. Liu C. H. & Yeh K. C. 1986 Application of computerized tomography techniques to ionospheric research. In Proc. Int. Beacon Satellite Symp. Oulu Finland 9{14 June 1986. University of Oulu.
3. Austen J. R. Franke S. J. & Liu C. H. 1988 Ionospheric imaging using computerised tomography. 23 299.
4. Bernhardt P. A. Dymond K. F. & Picone J. M. 1996 Improved radio tomography of the ionosphere using EUV/optical instruments. In Proc. Ionospheric E ects Symp. Alexandria VA USA. Alexandria VA: JMG Associates.
5. Strip Integration in Radio Astronomy