00472nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001500084100001800099245011000117260003200227300001600259650001400275650002500289IN-BaIIA211028s9999    xx            000 0 eng d  a0-393-04688-5  cIIA Library  a524.8bGRE  aGreene, Brian 4aThe elegant universebsuperstrings, hidden dimensions and the quest for the ultimate theorycBrian Greene  aNew YorkbW. W Nortonc1999  axiii, 448p.  aCosmology  aSuperstring theories