Author: Molin, K., 1936.:
Title: A general earth magnetic investigation of Sweden during the period 1028-1934 by the Geological Survey of Sweden. Part I. Declination. [Sver. Geol. Unders., Ser. Ca, 25.]
Description: Stockholm 1936. 4to. Pp. 98, 14 illustr. in text, tabs., 4 fold. col. maps in pocket, refs. Orig. printed wrappers.

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