| 000 | 004030000a22001450004500 | ||
|---|---|---|---|
| 008 | 140223b1960 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 | _aX K0 | ||
| 082 | _aX K0 | ||
| 100 | _aSalter W E G | ||
| 245 | _aProductivity and technical change | ||
| 260 |
_aLondon _bCUP _c1960 |
||
| 440 | _aCambridge University: Department of Applied Economics Monographs, No 6 | ||
| 650 | _aEconometrics | ||
| 999 |
_c168104 _d168104 |
||