NaturwissenschaftenNovember 1935, Volume 23, Issue 47, pp 804–806 | Cite asGesellschaft für Erdkunde zu BerlinAuthorsAuthors and affiliationsKurt KaehneArticle 19 Downloads 1 Citations This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Verlag von Julius Springer 1935Authors and AffiliationsKurt KaehneThere are no affiliations available