00307nam a2200097Ia 4500008004100000040002500041082001200066100002200078245004100100260006800141240215s9999    xx            000 0 und d  aNORSU-DumcNORSU-Dum  a550/R61  aRodolfo, Kevin S. 0aGeneral Science for Geology Students  bDepartment of Geological Sciences, University of Illinoisc1991