. . "Radio waves Congresse." . . . "Propagation of radio waves at frequencies below 300 kc/s : proceedings of the 7th meeting of the AGARD, Ionospheric research committee, Munich, 1962, edited by W. T. Blackband" . . . . "Propagation of Radio Waves at Frequencies below 300 Kc/s : proceedings of the 7-th meeting of the AGARD Ionospheric Research Committee, Munich 1962" . . "Propagation of radio waves at frequencies below 300 kc"@en . . . . . "Propagation of Radio Waves at Frequencies below 300 Kc"@en . . . . . . "Propagation of radio waves at frequencies below 300 KC/S : proceedings of the AGARD Ionospheric Research Committee, Münich 1962" . . . . "Propagation of radio waves at frequencies below 300 kc/s" . "Propagation of radio waves at frequencies below 300 kc/s"@en . . "Propagation of Radio Waves at Frequencies below 300 kc/s. Edited by W.T. Blackband"@en . . . . . "Propagation of radio waves at frequencies below 300 kc/s : Proc. of the 7th meeting of the AGARD Ionospheric Research Committee, Munich, Sept. 17-21, 1962" . "Propagation of Radio Waves at Frequencies below 300 KC/S"@en . "Propagation of radio waves at frequencies below 300 kc/s: proceedings of the seventh meeting of the AGARD: Munich, 1962" . . . . "Propagation of radio waves at frequencies below 300 kc/s : proceedings of the 7the meeting of the AGARD lonospheric Research Committee, Munich, 1962" . . . . . . "Electronic books"@en . "Meeting of the Ionospheric Research Committee of AGARD (7 : 1962.09 : München)" . . . "North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and Development. Avionics Panel Lonospheric Research Committee." . . "Ionosphere Congresse." . . "Fale radiowe konferencje." . . "Organisation du Traité de l'Atlantique nord (Bruxelles). Agard (Neuilly-sur-Seine). Ionospheric research committee. Conférence (7e. 1962. Munich)" . .