00359nam a2200133Ia 4500008004100000082001500041100002000056245001400076260003600090300001000126490002400136600005500160650001000215140224s9999    xx            000 0 und d  aR 551.1 L1  aBeiser, Arthur.  aThe earth  aNew YorkbTime-Life Booksc1971  a192p.  aLife Nature Library  a Arthur Beiser and the editors of time-life books.  aEarth