权威例句
The Sloan Digital Sky Survey: Technical SummaryFive High-Redshift Quasars Discovered in Commissioning Imaging Data of the Sloan Digital Sky Survey*THE SEVENTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEYA Survey of z>5.7 Quasars in the Sloan Digital Sky Survey III: Discovery of Five Additional QuasarsThe Sixth Data Release of the Sloan Digital Sky SurveyThe Fourth Data Release of the Sloan Digital Sky SurveyThe Second Data Release of the Sloan Digital Sky SurveyEvidence for Reionization at z ~ 6: Detection of a Gunn-Peterson Trough in a z=6.28 QuasarEvidence for Reionization at ~ 6: Detection of a Gunn-Peterson Trough in a = 6.28 QuasarThe First Data Release of the Sloan Digital SkySurvey