NaturwissenschaftenAugust 1938, Volume 26, Issue 34, pp 564–567 | Cite asBesprechungenAuthorsAuthors and affiliationsF. MachatschkiE. HennigHans WeinertR. KräuselDe RudderArticleThis 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 1938Authors and AffiliationsF. Machatschki1E. Hennig1Hans Weinert2R. Kräusel3De Rudder31.Tübingen2.Kiel3.Frankfurt a. M.