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; IAGA bulletin -- no. 29.
Publisher: IUGG Publication Office
Published: 1971
Place of publication: Paris
Language: eng
Number of pages: 140
Subjects: Geomagnetism; Handbooks, manuals
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.