| 000 | 00671pam a2200193a 44500 | ||
|---|---|---|---|
| 999 |
_c102580 _d102580 |
||
| 008 | 170807b2015 xxu||||| |||| 00| 0 eng d | ||
| 100 | _aMoser, Petra | ||
| 110 | _aNational Bureau of Economic Research | ||
| 245 |
_aPatent citations and the size of the inventive step : _bEvidence from hybrid corn / _cPetra Moser, Joerg Ohmstedt and Paul W. Rhode |
||
| 260 |
_aCambridge _bNBER _c2015 |
||
| 300 | _a49p | ||
| 490 |
_aNBER Working Paper ; _v21443 |
||
| 650 | _aNBERWP 21443 | ||
| 650 | _aE15249.pdf | ||
| 700 | _aOhmstedt, Joerg | ||
| 700 | _aRhode, Paul W | ||
| 856 | _uhttp://elibrary.igidr.ac.in/e-library/working papers/NBER/2015/E15249.pdf | ||
| 942 |
_2ddc _cE |
||