01291cam0-22004571i-450-99000253478040332120130411090958.0000253478FED01000253478(Aleph)000253478FED0100025347820030910d1961----km-y0itay50------baengUSy-------001yyProductivity trends in the United Statesby John W. Kendrickassisted by Maude R. PechPrincetonPrinceton University Press1961.LII, 630 p.24 cmGeneral seriesNational Bureau of Economic Research71EconomiaProduttivitàStati UnitiEconomiaF/1.221G/1.1G/1.2Kendrick,John W.103375Pech,Maude R.ITUNINARICAUNIMARCBK990002534780403321XXV-C-201950MASG/1.2 KEN021142SESG/1.2 KEN024005/FSESXXV-C-211931MASXV C 69 (71)66736FGBCMASFGBCSESProductivity trends in the United States438138UNINA