1. Time-dependent structure of the upper atmosphere;Harris;Proc. Intern. Space Sci. Symp., 3rd, Washington,1962
2. Electromagnetic and corpuscular heating of the upper atmosphere;Jacchia;Proc. Intern. Space Sci. Symp., 3rd, Washington,1962
3. Upper atmosphere density during the years 1957-1961 determined from satellite orbits;King-Hale;Proc. Intern. Space Sci. Symp., 2nd, Amsterdam,1961
4. Model of the upper atmosphere from 130 through 1600 km derived from satellite orbits;Martin;Proc. Intern. Space Sci. Symp., 2nd, Amsterdam,1961
5. Nicolet , M. Density of the heterosphere related to temperature 1961