000 00293nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
020 _a9780440868026
082 _a003.54 MAR
100 _aMardick, Robert, G
_911495
245 0 _aInformation systems
260 _bLondon
300 _a322p.
_b0
999 _c136453
_d136453