00311nam a2200109Ia 4500008004100000040002500041082001500066100006200081245002000143260003000163300000800193230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a512. 9 R25  aRees,  Paul K. ., Fred W. Sparks, and Charles Sparks Rees 0aCollege algebra  bNational Book Storec1981  a498