00304nam a2200121Ia 4500008004100000040002500041082001200066100002100078245002000099250002000119260003500139300000800174230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a512 H25  aHart, William L. 0aCollege algebra  aFourth Edition   bD.H. Health and Company c1964  a480