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GRAY MATTER by LEVY, DAVID (Paperback - 2011) ISBN: 9781414339757 Subject: BIOGRAPHY Publisher: TYNDALE HOUSE |
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OBSERVING VARIABLE STARS by LEVY, DAVID H. (Hardcover - 1989) ISBN: 9780521321136 Subject: SCIENCE Publisher: CAMBRIDG |
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PRACTICAL SKYWATCHER'S HANDBOOK by LEVY, DAVID H. (Paperback - 2012) ISBN: 9781408157466 Subject: SCIENCE & NATURE Publisher: BLOOMSBURY |
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