The mean field of disturbance of the polar earth-magnetic storm
Series: Geofysiske publikasjoner -- v. 16, no. 12; Geofysiske publikasjoner -- v. 16, no. 12.
Publisher: Grøndahl & søns boktr. i kommisjon hos Cammermeyer
Published: 1946
Place of publication: Oslo
Language: eng
Number of pages: 44
Subjects: Geomagnetism; Observations
Other titles: Polar earth-magnetic storm.
Notes: Cover title.