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008			250226s9999 xx 000 0 und d
020			_a,9789332582699
082			_a5.1
082			_a5.1
082			_bIAN
100			_aIAN SOMMERVILLE
245		0	_aSOFTWARE ENGINEERING
260			_bPEARSON
942			_cBK
999			_c100346 _d100346