Report of the Director of the Observatory at Leiden for the year 1926

Author(s):: Sitter, W. de

Published: 1927
Publication type: Article / Letter to editor

Date issued: 1927
Language: English
Publisher: North Holland Publishing Company
Is part of: Bulletin of the Astronomical Institutes of the Netherlands (1927), Vol. 3, p. 239-245
ISSN source: 0365-8910
hdl: 1887/6215