NATO Institute on Ionospheric Radio Communications in the Arctic (1967 : Finse, Norway) Ionospheric radio communications; proceedings. Edited by Kristen Folkestad.

NATO Institute on Ionospheric Radio Communications in the Arctic (1967 : Finse, Norway)

Ionospheric radio communications; proceedings. Edited by Kristen Folkestad.

Ionospheric radio wave propagation -- Congresses.

Folkestad, Kristen, ed.

Norway. Forsvarets forskningsinstitutt.

Defence Research Telecommunications Establishment (Canada)