000 00290nam a2200109Ia 4500
008 220726s9999 xx 000 0 und d
020 _a0-256-02614-9
100 _aMaurice, S.Charles;Phillips, Owen R.;Ferguson, C.E.
245 0 _aEconomic Analysis
250 _a4th.
260 _aIllinois
_c1982
999 _c3034
_d3034