A report on geomagnetic observatory operations, 1990
By: by K.L. Svendsen [and three others] ; in cooperation with IAGA/IUGG, Division V, Magnetic Observatories, Instruments, Surveys, and Analysis
Contributors: World Data Center A for Solid Earth Geophysics; International Association of Geomagnetism and Aeronomy; International Union of Geodesy and Geophysics
Series: Report SE -- 45; Report SE -- 45.
Publisher: United States Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center
Published: 1992
Place of publication: Boulder, Colorado
Language: eng
Number of pages: 54
Subjects: Geomagnetic observatories
Notes: Title from title screen (viewed Sept. 10, 2014).

"February 1992."

At head of title: World Data Center A for Solid Earth Geophysics.