000 00304nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a330
_bLIP
100 _aLipsey (Reference ichard .G)
245 0 _aIntroduction to positive Economics .
260 _bELBS
_aLondon
_c1975
300 _a827
942 _2ddc
999 _c3283
_d3283