Observations during the eclipse of February 1961 : sixth AGARD Ionospheric Research Committe meeting, Naples, 15-20 may 1961

Name: Observations during the eclipse of February 1961 : sixth AGARD Ionospheric Research Committe meeting, Naples, 15-20 may 1961
Author: North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and Development. Avionies Panel. Ionospheric Research Commitee., Socio, Luciano de