Media type: Article Title: Johannes Hartmann, 1865 - 1936 Contributor: Kippenhahn, Rudolf [Author] imprint: Göttingen, 2001 Published in: Göttinger Gelehrte ; 1 ; (2001), Seite 342-343 Language: Not determined RVK notation: ND 7240 : Allgemeines Keywords: Astronomie Origination: Footnote: