The ionospere : its significance for geophysics and radio communi cations /
Rawer, Karl.
The ionospere : its significance for geophysics and radio communi cations / Karl Rawer ; translated form the German by Ludwig Katz. - New York : F. Ungar Publishing Company, 1952. - 202 p. : ill. ; 25 cm.
Ionospere.--------
551.514
The ionospere : its significance for geophysics and radio communi cations / Karl Rawer ; translated form the German by Ludwig Katz. - New York : F. Ungar Publishing Company, 1952. - 202 p. : ill. ; 25 cm.
Ionospere.--------
551.514