00285nam a2200109Ia 4500008004100000082001500041100001800056245003700074250002000111260003600131300000800167240913s9999||||xx |||||||||||||| ||und||  a510  ZIL/A  aDennis G Zill 0aAdvanced Engineering mathematics  a2nd ed, 4th Ed.  bCBS PublishersaNew Delhic2003  a884