Practical Astronomy with your Calculator

by Peter Duffett-Smith
Publisher: Cambridge University Press
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Astronomy with your Personal Computer

by Peter Duffett-Smith
Publisher: Cambridge University Press
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Easy PC Astronomy

by Peter Duffett-Smith
Publisher: Cambridge University Press
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Practical Astronomy With Your Calculator

by Peter Duffett-Smith
Publisher: Cambridge University Press
Spiral-bound Edition
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Practical Astronomy With Your Calculator

by Peter Duffett-Smith
Publisher: Cambridge Univ Pr
Spiral-bound Edition
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Practical Astronomy with Your Calculator

by Peter Duffett-Smith
Publisher: Cambridge Universtity Press
Spiral-bound Edition
Book

Practical Astronomy with Your Calculator

by Peter Duffett-Smith
Publisher: Cambridge University Press
Paperback Edition
Book

Practical Astronomy with your Calculator

by Peter Duffett-Smith
Publisher: Cambridge University Press
Hardcover Edition
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Practical Astronomy with Your Calculator: Third Edition

by Peter J. Duffett-Smith
Publisher: Cambridge
Paperback Edition
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You and Your Caesarean Birth

by Trisha Duffett-Smith
Publisher: Sheldon Press
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