The geomagnetic secular variation, 1900-1965
By: by Joseph C. Cain and Shirley J. Hendricks.
Contributors: Hendricks, Shirley J., joint author.
Series: NASA technical note, NASA TN D-4527
Publisher: National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.
Published: 1968
Place of publication: [Washington]
Language: eng
Number of pages: 221
Subjects: Geomagnetism -- Secular variations.
Notes: Bibliography: p. 10-11.
"Paper ... presented at the International Union of Geodesy and Geophysics 14th General Assembly St. Gall, Switzerland, September 30, 1967."