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040 _aNITIL
_cNITIL
082 _221st
_a338.018
_bS177P
100 _aSalter, W E G
245 0 _aProductivity and technical change
_cW E G Salter
260 _aCambridge
_bCambridge University Press
_c1960
300 _aix, 198p.
440 _aUniversity of Cambridge Department of Applied Economics Monographs; 6
650 _aIndustrial productivity; Production (Economic theory); Technology transfer
942 _cBKS
999 _c15031
_d15031