000			00277nam a2200097 4500
245			_aProductivity and technical change _cW.E.G. Salter
100			_aSalter, W.E.G.
260			_aCambridge _bCambridge University Press _c1969
300			_axiv,220p.; 22cm.
082			_a338.09 _b SAL
999			_c20293 _d20293