Proceedings.
Subtitle: Edited by N. D'Angelo.
Contributors: D'Angelo, N.,; European Space Laboratory; European Space Research Institute
Series: Astrophysics and space science library -- v. 14
Publisher: D. Reidel
Published: 1969
Place of publication: Dordrecht
Language: eng
Number of pages: 217
Subjects: Ionosphere; Ionospheric radio wave propagation