Search Results - Levy, David H. , 1948-

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  1. 1

    David Levy's guide to observing and discovering comets by Levy, David H. , 1948-

    Published 2003
  2. 2

    Observing comets, asteroids, and the zodiacal light by Edberg, Stephen J., Levy, David H. , 1948-

    Published 1994