00342nam a2200121Ia 450000500170000000800410001702000220005803500090008010000170008924500590010626000300016565000250019520251022063857.0251022s9999||||xx |||||||||||||| ||und||  a978 1 933392 32 5  a2076  aDorion Sagan 0aNotes from the Holocene: a brief history of the future  bSciencewriters Bookc2007  aC-10:Popular Science