Zagadka ionosfery.
Edition: Izd. 2., dop.
Series: Nauchno-populi͡a︡rnai͡a︡ biblioteka,; vyp. 70
Publisher: Gos. izd-vo tekhniko-teoret. lit-ry
Published: 1956
Place of publication: Moskva
Language: rus
Number of pages: 62
Subjects: Atmosphere, Upper.