01144nas 2200397 n 450 991013975520332120241221110503.0(CKB)954928511673(CONSER) 44030805(MiFhGG)1202(EXLCZ)9995492851167320751101a19419999 uy aengtxtrdacontentcrdamediacrrdacarrierSky and telescope[Cambridge, Mass.Sky Pub. Corp.]1 online resourceTitle varies slightly.Editor: 1941-<42> C.A. Federer.Print version: Sky and telescope. 0037-6604 (DLC) 44030805 (OCoLC)564421615 AstronomyPeriodicalsSterrenkundegttAstronomiePériodiquesAstronomySterrenkunde.Astronomie520.5Federer Charles1909-Harvard College Observatory.JOURNAL9910139755203321exl_impl conversionSky and telescope786487UNINA