000			00415nam a2200157Ia 4500
008			180712s9999 xx 000 0 und d
020			_a70356041
082			_a651.8 _bKRO
100			_aKROENKE, David M.
245			_aBusiness computer systems: an introduction
250			_a4th ed.
260			_aNew York _bMcGraw-Hill _c1990
300			_axxi, 510 p.
650			_aBusiness - Computer Applications
942			_cS
999			_c6690 _d6690