TY  - BOOK
ED  - The Nautical Almanac Offices
TI  - Explanatory supplement to the astronomical ephemeris and The american ephemeris and nautical almanac
U1  - 521.98/G81 
PY  - 1961///
CY  - London
PB  - Her Majesty's Stationery Office
KW  - ASTRONOMÍA
KW  - ESPACIO EXTERIOR
KW  - SATÉLITES
N1  - Incluye índice: páginas 497-505; 1. Introduction -- 2. Coordinates and reference systems -- 3. Systems of time measurement -- 4. Fundamental ephemerides -- 5. Mean and apparent places of stars -- 6. The system of astronomical constants -- 7. Historical list of authorities -- 8. Configurations of the sun, moon, and planets -- 9. Eclipses and transits -- 10. Occultations -- 11. Ephemerides for physical observations
ER  -