| 000 | 003940000a22001450004500 | ||
|---|---|---|---|
| 082 | _a US/Har.U/HIER/DP-1473 | ||
| 100 |
_a _aGriliches _bZvi |
||
| 110 |
_a _aHarvard University _bHIER |
||
| 245 | _a Patent statistics an economic indicators: a survey | ||
| 260 |
_a _b _aCambridge _cUS |
||
| 260 |
_c _a1990 |
||
| 300 |
_a _a102p |
||
| 490 |
_aDiscussion paper _bno. 1473 |
||
| 650 | _a <Patents> | ||
| 041 | _a Eng | ||
| 999 |
_c5165 _d5165 |
||