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Date: 2004-02-05 02:47:25Astronomy Observational astronomy Astrophysics Electromagnetic radiation Light pollution Photometry Radiometry Variable star Dwarf nova Academia Outer space | ISSNVariable Star Bulletin No.25 Dec. 1997Add to Reading ListSource URL: vsolj.cetus-net.orgDownload Document from Source WebsiteFile Size: 87,98 KBShare Document on Facebook |