000 00299nam a2200121Ia 4500
008 220201s1988 xx 000 0 eng d
082 _a4.61
_bMOD
100 _aModell,Martin E
245 0 _aProfessionals guide to system analysis
260 _aNY
_bMcgraw Hill
_c1988
300 _a317
942 _2ddc
999 _c33700
_d33700