000			00306 a2200121 4500
080			_a33 _bL 767 I
245	1		_aIntroduction to positive economics _cby R.G. Lipsey
260			_bEnglish Language Book Society _c1970
650			_aEconomics
100	1		_aLipsey, R.G. _d
300			_a740 pp.
901			_a159469
999			_c61171 _d61171