Author: Eckermann, H. von, 1958.:
Title: The alkaline and carbonatitic dikes of the Alnö Formation on the mainland north-west of Alnö Island. [K. Svenska Vet.-Akad. Handl., Ser. 4, 7(2).]
Description: Stockholm. 4to. Pp. 61, 18 plates of microphotos, 2 fold. plates of sections, 24 illustr. in text, refs. Orig. wrappers.

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