Planetary co-ordinates for the years 1960-1980 : referred to the Equinox of 1950.0;prepared/
26
| Format: | |
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| Published: |
London : HMSO,
1958
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| Subjects: |
26
| Format: | |
|---|---|
| Published: |
London : HMSO,
1958
|
| Subjects: |