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Probing the large-scale structure of the universe :
(The University of Oklahoma., 1985)
This dissertation presents the discription of 55 bright, close (z (LESSTHEQ) 0.1) clusters of galaxies as a homogeneous sample taken from a new effort to catalogue galaxy clusters in the Southern Hemisphere. The positions ...
Non-LTE effects in supernova envelopes.
(1980)
The Sobolev method has been applied to the solution of the satistical rate equations for multi-level representations of singly ionized silicon and neutral hydrogen for various models of supernova envelopes. The physical ...