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  1. No Access

    Chapter

    Substructure in Clusters of Galaxies

    Rich galaxy clusters containing multiple condensations are common. This subclustering affects many cluster properties and provides insight into cluster evolution.

    M. J. Geller, T. C. Beers in Early Evolution of the Universe and its Present Structure (1983)

  2. No Access

    Article

    Contribution of intermediate luminosity X-ray galaxies to the background: Anon 0945–30

    EVIDENCE that the galaxy A0945 – 30 is a new extragalactic X-ray source has been found from an analysis of rotating modulation collimator (RMC)1 quick-look data collected from 53 orbits of the SAS 3 X-ray observa...

    H. W. SCHNOPPER, M. DAVIS, J. P. DELVAILLE, M. J. GELLER, J. P. HUCHRA in Nature (1978)