Planetary co-ordinates for the years 1940-1960 referred to the equinox of 1950
Planetary co-ordinates for the years 1940-1960 referred to the equinox of 1950
Nautical Almanac Office
- London Her Majesty's Stationary Office 1939
- xvi, 150p.
Almanac ephements
Astronomy and Astrophysics Thesaurus
Equinox
Planetary Tables
52(083) / HMN
Almanac ephements
Astronomy and Astrophysics Thesaurus
Equinox
Planetary Tables
52(083) / HMN