00303nam a2200109Ia 4500008004100000040002500041082001200066100003800078245002700116260003900143300001100182230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a510 B63  aBahreey, Patricia M. and Eric, I. 0aDiscovering the earth   bScott, Foresman and Company c1978  a376 p.