introduction to geomagnetic instruments and observing
By: [by] W.H. Campbell
Contributors: Earth Sciences Laboratory
Series: ESSA technical report, ERL 183-ESL 12
Publisher: Earth Sciences Laboratories; for sale by the Supt. of Docs., U.S. Govt. Printing Office
Published: 1970
Place of publication: Boulder, CO; Washington
Language: eng
Number of pages: 42
Subjects: Geomagnetism
Notes: Bibliography : p. 40-42