A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
A. GEESE, M. KORTE, P. B. KOTZE, V. LESUR. "SOUTHERN AFRICAN GEOMAGNETIC SECULAR VARIATION FROM 2005 TO 2009." South African Journal of Geology 114.3-4 (2011) 515-524