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1Published 1977Subjects: “...Astronomy Encyclopedias....”
Book -
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7Published 1993Subjects: “...Astronomy Encyclopedias....”
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12Published 1994Subjects: “...Space astronomy Congresses....”
Conference Proceeding Book -
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19by Stephenson, F. Richard (Francis Richard), 1941-Subjects: “...Astronomy Observations....”
Published 1978
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