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amateur astronomie » amateur astronomer, amateur astronomy, amateur astronomical
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1
by North, Gerald
Published 1997
Springer London
Subjects: “...Astronomy, Observations and Techniques...”
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2
by North, Gerald
Published 2003
Springer London
Subjects: “...Astronomy, Observations and Techniques...”
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3
by James, Nick, North, Gerald
Published 2003
Springer London
Subjects: “...Astronomy, Observations and Techniques...”