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Building and Using an Astronomical Observatory - Paul Doherty - Paperback
by Unknown
ISBN: 9780850598087
131.
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Arrival of Halley's Comet, 1985-1986 - Paul Doherty - Paperback - 1st ed
by Doherty, Paul, Bradbury, Ra...
ISBN: 9780812036329
List Price: $9.95
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Building Telescopes and Observatories : An Observer's Guide
by Doherty, Paul
ISBN: 9780750305525
List Price: $39.95
OUT OF STOCK
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