000 00287nam a2200121Ia 4500
008 160710s1989 xx 000 0 und d
082 _a628 JEL
100 _aJELLAN,M.
245 _aSYSTEMS ANALYSIS APPLIED TO MANAGEMENT
260 _bP.G.M.N.
_c1989
300 _a185
942 _2ddc
_cB
999 _c48707
_d48707