00816nas 22003133a 450 99633609800331620240413021217.02163-0127(OCoLC)60623111(CKB)954928527949(CONSER) 2011201455(MiAaPQ)6214(EXLCZ)9995492852794920050614a19739999 uy aengtxtrdacontentcrdamediacrrdacarrierAstronomyMilwaukee, Wis. AstroMedia CorpPublished: Waukesha, WI : Kalmbach Publishing Co., <1989->0091-6358 AstronomyPeriodicalsAstronomy520NEWSPAPER996336098003316Astronomy1933962UNISA