Grid values for the IGRF 1965.0
By: by B.R. Leaton and D.R. Barraclough.
Contributors: Barraclough, D        R.
Series: IAGA bulletin no. 29
Publisher: IUGG Publication Office
Published: 1971
Place of publication: Paris
Language: eng
Number of pages: 140
Subjects: Geomagnetism -- Handbooks, manuals, etc.
Notes: At head of title: International Union of Geodesy and Geophysics, International Association of Geomagnetism and Aeronomy, World Magnetic Survey Board.

On cover: World magnetic survey.

Bibliography: p. 4-5.