High frequency radio communications with emphasis on polar problems.
By: [Edited by Finn Lied. Authors: Knut W. Eriksen, and others]
Contributors: Lied, Finn.
Series: AGARDograph -- no. 104.
Publisher: Technivision
Published: 1967
Place of publication: [Maidenhead, Eng
Language: eng
Number of pages: 130
Subjects: Shortwave radio.