000 00339nam a2200145Ia 4500
008 220601s1974 xx 000 0 eng d
020 _qP B
041 _aEnglish
082 _a332.1752
_bSIM L4
100 _aSimons, Peter J
245 0 _aChoice and Demand
260 _aLondon
_bMacmillan
_c1974
650 _aEconomics
942 _2ddc
_cBK
999 _c6510
_d6510