000			00521nam a2200181Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9780071285490 _c(pbk)
082			_223 _a658.4038 _bHAA
100			_aHaag, Stephen
245		0	_aInformation systems essentials
250			_a3rd ed.
260			_aNew York: _bMcGraw-Hill Irwin, _c2009
300			_axxiv, 429 p.; _bcol. ill.: _c28 cm.
650			_aInformation technology
650			_aManagement information systems
700			_aCummings, Maeve
942			_2ddc _cBK
999			_c10927 _d10927