00804nas 2200325 c 450 99621318540331620171201170710.0(CKB)1000000000528781(DE-599)ZDB2160513-0(OCoLC)405841179(DE-101)026439115(EXLCZ)99100000000052878120040910a19999999 |y |danur|||||||||||txtrdacontentcrdamediacrrdacarrierAstronomibladetKøbenhavn1999-Online-RessourceZeitschriftgnd-content5200355DE-1019999JOURNAL996213185403316Astronomibladet2218045UNISA