000			00310nam a2200133Ia 4500
100			_aSommerville, Ian
020			_a0-201-56529-3
250			_a4th ed
942			_cBK
245			_aSoftware engineering
260			_aAddiaon -Wesley pub. company, England _c1992
082			_a001.642 Som
300			_axvi, 649
999			_c32992 _d32992