1. First results of the Intercosmos Satellite IK 21;Bischoff;Acta Astronautica,1983
2. Statistical characteristics of spectral optical thickness of the atmosphere above sea surface;Tawartkiladse;Isv. Acad. Nauk USSR, Fiz, Atm. Okeana,1979
3. Investigations of transmission and sky radiance by aircraft over sea;Badaev;Isv. Acad. Nauk USSR, Fiz. Atm. Okeana,1981
4. Relations between the radiance indicatrix and optical thickness of the atmosphere;Sandomirski;Isv. Acad. Nauk USSR, Fiz. Atm. Okeana,1972