00249nam a2200097Ia 4500008004100000082001600041100001700057245002900074260003400103700001400137220204s9999    xx            000 0 und d  a5(031)bCOT  aCottrell,  A 0aScience and the universe  aLondonbMichell Beazleyc1977  aLovell, B