000 00277 a2200121 4500
020 _a9788131762561
245 _aSoftware Engineering
_cIan Sommerville
250 _a8th Ed.
260 _bPearson
_c2011
300 _a8th Ed.xxiii, 840p.
942 _cBK
100 _aSommerville Lan
999 _c635
_d635