00304nam a2200109Ia 4500008004100000040002500041082001600066100002200082245004500104260003400149300001100183230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a340.245 F76  aHubbard , Elaine  0aElementary Agebra : a graphing approach   bD.H. Health and Companyc1995  a894 p.