00355nam a2200121Ia 4500008004100000040002500041082001400066100004500080245004700125250001800172260003500190300000800225230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a512.9 Au1  aAufmann, Richard N. and Vernon C. Barker 0aIntroductory algebra : an applied approach  aThird Edition  bHoughton Mifflin Companyc1991  a478