00261nam a2200109Ia 4500008004100000041000800041082001200049100001900061245003700080260002700117365000700144230303s9999    xx            000 0 und d  aeng  a515 WYL  aWYLIE (C. Roy)  aAdvanced Engineering Mathematics  aNEW YORKbMC GRAW HILL  cRS