00274nam a2200109Ia 4500008004100000040002500041082001200066100002200078245001900100260003700119300000800156230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a550 L61  aLianko, Aurora A. 0aEarth science   bNational Book Stoore, Inc.c1986  a296