Geomagnetic secular variation observations in southern Africa, 1966.
Series: Geophysical series 1 of the Hermanus Geophysical Observatory ; report no. C 4; Geophysical series 1 ;; report no. C4.
Publisher: Republic of South Africa, Govt. Printer
Published: 1968
Place of publication: Pretoria
Language: eng
Number of pages: 82
Subjects: Geomagnetism -- Secular variations -- Africa, Southern.