00370nam a2200121Ia 4500008004100000040002500041082001300066100003400079245006700113250002000180260004000200300000800240230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a 512 Sa5  aDoval Santos, Doval Santos Z. 0aAdvanced algebra (with an introduction to circular functions)   aRevised Edition  bERA Philippines Incorporated c1982  a505