život Recitovat návrhář kohoutek c Dosah Ranní cvičení fyzik
ISON vs. Kohoutek, "Comet of the Century" - SpaceFlight Insider
Operation Kohoutek: Comet Kohoutek. Papers from a workshop, Huntsville, Ala., June 1974. Gilmer Allen Gary, Ed. National Aeronautics and Space Administration, Washington, D.C., 1975 (available from the Superintendent of Documents, Washington, D.C.).
C 1973 e1 hi-res stock photography and images - Alamy