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Imperial Library
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Index
Cover
Frontmatter
1. Introduction
2. Time
3. Space–Time
4. Barycentric Dynamical Reference System
5. Classical Astronomical Coordinates
6. Astrometry
7. Celestial Reference System
8. Terrestrial Reference System
9. From the GCRS to the ITRS
10. Astronomical Software - Yearbooks
11. Astronomical Constants
Backmatter
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