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HealthyCounted ratings come from accounts older than 7 days and were made on or after publication. Finished readers weigh ×1.0. Readers who have not finished yet weigh ×0.5. Did-not-finish ratings are shown but not counted.
Editions
3 editions- Hardcover · English · 1998Willmann-Bell, Inc. · 477 pages · 9780943396613
- Other · English · 1998Willmann-Bell · 320 pages · 9780943396637
- Other · English · 1991Willmann-Bell · 429 pages · 9780943396354
AstronomyAlgorithmsData processingProblems, exercisesProblems, exercises, etcProblems, excercisesEphemeridesÉphémérides (Astronomie)
