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Date: 2012-07-18 15:09:20Herget Science Minor Planet Center Armin Otto Leuschner Donald Edward Osterbrock Cincinnati Observatory United States Naval Observatory Wallace John Eckert Observatory Astronomy Paul Herget Science and technology in the United States | national academy of sciences Paul Herget 1908—1981Add to Reading ListSource URL: www.nasonline.orgDownload Document from Source WebsiteFile Size: 1,21 MBShare Document on Facebook |