00506nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001900084100001600103245010200119260003900221300001000260650004100270650001200311650001300323IN-BaIIA211028s9999    xx            000 0 eng d  a0-941325-00-8  cIIA Library  a524.354.4bARP  aArp, Halton 0aQuasars, redshifts, and controversiescHalton Arp                                                  aBerkeleybInterstellar Mediac1987  a198p.  aAstronomy and astrophysics thesaurus  aQuasars  aRedshift