| 000 | 00316nam a22000857a 4500 | ||
|---|---|---|---|
| 008 | 230227s1968 us ||||| |||| 00| 0 eng d | ||
| 100 |
_aMansfield, Edwin _9259769 |
||
| 245 |
_aIndustrial Research and Technological Innovation : _bAn Econometric Analysis / _cEdwin Mansfield. |
||
| 264 |
_aNew York : _bNorton & Company, _c1968. |
||
| 999 |
_c654805 _d654803 |
||