NaturwissenschaftenApril 1942, Volume 30, Issue 17–18, pp 267–268 | Cite asBesprechungAuthorsAuthors and affiliationsClemens SchaeferArticle 16 Downloads This is a preview of subscription content, log in to check access.Copyright information© Springer-Verlag 1942Authors and AffiliationsClemens SchaeferThere are no affiliations available