00413nam a2200157Ia 450000100060000000800410000602000150004704000130006208200210007510000190009624500690011526000430018430000110022754600070023865000100024568485150918s9999    xx            000 0 und d  a0674033620  cPK-LaUMT  aRCC 523.1bLIG-A  aLightman, Alan  aAncient lightbour changing view of the universecLightman, Alan  aBoston,USA:bHarvard University,c1991  a170 p.  aEN  aLight