00600nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001700084100002100101245015600122260003400278300001600312650004100328650001400369650001300383700002200396IN-BaIIA211028s9999    xx            000 0 eng d  a0-7167-2157-0  cIIA Library  a524.834bRIO  aRiordan, Michael 4aThe shadows of creationbdark matter and the structure of the universecMichael Riordan and David N. Schramm                                             aNew YorkbW. H. Freemanc1991  aviii, 277p.  aAstronomy and astrophysics thesaurus  aCosmology  aUniverse  aSchramm, David N.