000 00346nam a2200145Ia 4500
020 _a0297795568
082 _b993
_a330
100 _a"Lipsey, Richard G."
245 3 _aAn Introduction To Positive Economics
260 _bELBS
_aLondon
_c1990
300 _a808
944 _cBK
999 _c473338
_d473338