1. “Extreme ultraviolet survey,”;Bowyer;NASA SP-412,1977
2. “Far UV photometry of intermediate brightness stars from Apollo-Soyuz,”;Crawford;Astron. Astrophys. Suppl.,1979
3. “Equatorial aurora/airglow in the far ultraviolet,”;Hicks;J. Geophys. Res.,1970
4. “Satellite vacuum ultraviolet airglow and auroral observations,”;Huffman;J. Geophys. Res.,1980
5. Jacchia , L. G. “Revised static models of the thermosphere and exosphere with empirical temperature profiles,” 1971