| 000 | 00628nam#a2200217#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219162143.0 | ||
| 008 | 941031s1969 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aMansfield, Edwin _927610 |
|
| 245 | _aIndustrial research and technological innovation : an econometric analysis | ||
| 260 |
_aLondon _b Longsmans, Green & Co Ltd. _c1969 |
||
| 300 |
_aXVIII, 235 p. _c 24 cm. |
||
| 650 | 4 |
_aINDUSTRIA _947463 |
|
| 650 | 4 |
_aINVESTIGACION CIENTIFICA _945101 |
|
| 650 | 4 |
_aTECNOLOGIA _948535 |
|
| 650 | 4 |
_aDESARROLLO TECNOLOGICO _942572 |
|
| 942 | _cLIB | ||
| 942 | _z6917 | ||
| 999 |
_c70782 _d70782 |
||