The Practical Skywatchers Handbookde David H. LevyMateriasAstronomyObservers' manualsAstronomy, observers' manualsEdiciones (1)The Practical Skywatchers Handbook (2012)A&C; Black · ISBN 9781408157466Más obras de David H. LevyPractical Skywatching2002David Levy's Guide to Eclipses, Transits, and OccultationsDavid Levy's guide to eclipses, transits, and occultations