000 00350nam a2200145Ia 4500
020 _a0-19-442454-5
082 _bT-121
_a330
100 _a"Lipsey ,christqal"
245 3 _aAn Introduction to Positive Economics
260 _bELBS
_aLondon
_c1997
300 _a919
944 _cTB
999 _c396904
_d396904