00309nam a2200109Ia 4500008004100000040002500041082001400066100004200080245002000122260004900142300000800191230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a512.9 P44  aPeterson, John M. and Floyd E. Haupt  0aCollege algebra  bPrindle, Weber & Schmidt, Incorporatedc1974  a346