00285nam a2200121Ia 4500008004100000020001500041041000800056100002100064245002600085250001000111260003400121300000800155211209s2008    xx            000 0 und d  a8177585308  aeng  aSOMMERVILLE, IAN  aSOFTWARE ENGINEERING   a7 ed.  aASIAbPEARSON EDUCATIONc2008  a781