000 00284nam a2200121Ia 4500
008 200208s9999 xx 000 0 und d
082 _aJOR
245 0 _aJournal of the Operational Research Society
245 0 _nv.44(7-12)
260 _aU.S.A
260 _bMacmillan
942 _cBV
999 _c139767
_d139767