NaturwissenschaftenSeptember 1920, Volume 8, Issue 36, pp 717–719 | Cite asEugen GoldsteinAuthorsAuthors and affiliationsOtto Von ReichenheimArticle 23 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 1920Authors and AffiliationsOtto Von Reichenheim11.Berlin