Media type: E-Article Title: Award of the Bruce Gold Medal to Professor Ludwig Biermann Contributor: Abt, Helmut A. imprint: IOP Publishing, 1967 Published in: Publications of the Astronomical Society of the Pacific Language: English DOI: 10.1086/128468 ISSN: 0004-6280; 1538-3873 Keywords: Space and Planetary Science ; Astronomy and Astrophysics Origination: Footnote: Access State: Open Access