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Secular variation of the magnetic elements in South Africa, 1939–1948

 

作者: A. M. Wijk,   J. A. N. Burger,  

 

期刊: Journal of Geophysical Research  （WILEY Available online 1950）
卷期: Volume 55, issue 1  

页码: 57-64

 

ISSN:0148-0227

 

年代: 1950

 

DOI:10.1029/JZ055i001p00057

 

数据来源: WILEY

 

摘要:

This note takes the form of a brief progress‐report on secular‐variation work in South Africa. The results of observations carried out at the repeat stations in South Africa are summarized in tabular f

 

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