| 000 | 00368pab a2200145 454500 | ||
|---|---|---|---|
| 008 | 180718b2002 xxu||||| |||| 00| 0 eng d | ||
| 100 | _aRomer, Paul | ||
| 245 | _aWhen should we use intellectual property rights? | ||
| 260 | _c2002 | ||
| 300 | _ap.213-16. | ||
| 362 | _aMay | ||
| 650 | _aIntellectual property | ||
| 773 | _aAmerican Economic Review | ||
| 909 | _a53008 | ||
| 999 |
_c53008 _d53008 |
||