000 00368nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aAckoff R.L et al
245 _aScientific method : optimizing applied research decisions
260 _c1962
_bJohn Wiley & Sons
_aChichester
366 _b1962
650 _aAccounting
942 _cBK
999 _c833
_d833