International geomagnetic reference field 1980 : charts and grid values /

Bibliographic Details

Main Author:	Fabiano, Eugene B. (Author)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Va.] : United States Department of the Interior, Geological Survey, 1983.
Series:	Geological Survey circular ; 873. IAGA bulletin ; no. 47.
Subjects:	Geomagnetism. Tables.
Online Access:	https://purl.fdlp.gov/GPO/gpo110592