000 00335nam a2200145Ia 4500
008 200204s9999 xx 000 0 und d
082 _a658.05 KEE 2nd ed.
100 _a"Keen, Jeffrey S."
245 0 _aManaging system development
250 _a2nd ed.
260 _c1981
300 _a382 p
650 _aManagement
942 _cBK
999 _c40246
_d40246