Differences in photovisual magnitude between the components of double stars, mainly measured by J. G. Ferwerda and

Autor: Kooreman, C.J.
Jazyk: angličtina
Rok vydání: 1946
Zdroj: Bulletin of the Astronomical Institutes of the Netherlands, 10, 169
ISSN: 0365-8910
Databáze: OpenAIRE