HARRIES, JR ; MCCRACKEN, KG ; FRANCEY, RJ ; AND FENTON, AG: A Strong X-Ray Source in the Vicinity of the Constellation Crux. Significant Achievements in Space Science 1967 - الصفحة 30 بواسطة United States. National Aeronautics and Space Administration. Scientific and Technical Information Division - 1968 - عدد الصفحات: 557 عرض كامل -
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