01005nas 2200349 c 450 99620017250331620200526104621.0(CKB)1000000000527091(DE-599)ZDB2146181-8(OCoLC)643727661(DE-101)026000547(EXLCZ)99100000000052709120040518b19801999 |y |engur|||||||||||txtrdacontentcrdamediacrrdacarrierIAPPP communicationInternational Amateur-Professional Photoelectric PhotometryNashville, Tenn.1980-1999Online-RessourceInternational Amateur-Professional Photoelectric Photometry Communications CommunicationZeitschriftgnd-content5200355DE-1014022JOURNAL996200172503316IAPPP communication2085092UNISA