| 000 | 00387cam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 180718b1977 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aT19 H361 | ||
| 100 | _aHeertje, Arnold | ||
| 245 |
_aEconomics and technical change _cby Arnold Heertje |
||
| 260 |
_aLondon _bWeidenfeld and Nicolson _c1977 |
||
| 300 | _a334p. | ||
| 650 | _aTechnological innocations | ||
| 650 | _aEconomic development | ||
| 999 |
_c345950 _d345950 |
||