000			00309nam a2200133Ia 4500
100			_aSommerville,Ian
020			_a9788131762165
250			_a9th ed
942			_cBK
245			_aSoftware engineering
260			_aDorling Kindersley (Pearson), New Delhi _c2011
082			_a001.642 Som
300			_axv,773
999			_c49092 _d49092