  Astrophysical Techniques (Hardcover) → Hardcover ISBN-13: 9780750301374 ISBN-10: 0750301376 Genres: Science & Math, Engineering & Transportation ?  Telescopes and Techniques an Introduction to Practical Astronomy (Paperback) ISBN-13: 9783540198987 ISBN-10: 3540198989 Genres: Science & Math, Engineering & Transportation ? |
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