Report of the Director of the Observatory at Leiden for the year 1927

Author(s):: Sitter, W. de

Published: 1928
Publication type: Article / Letter to editor

Date issued: 1928
Language: English
Publisher: North Holland Publishing Company
Is part of: Bulletin of the Astronomical Institutes of the Netherlands (1928), Vol. 4, p. 129-134
ISSN source: 0365-8910
hdl: 1887/6221