| 000 | 00319nas a22001217a 4500 | ||
|---|---|---|---|
| 003 | USJPLib | ||
| 008 | 171121b xxu||||| |||| 00| 0 eng d | ||
| 022 | _a00487333 | ||
| 041 | _aEng. | ||
| 245 | _aResearch Policy, Vol. 36, No. 1-6 | ||
| 260 |
_aAmsterdam _bElsevier Science Publishers B.V. _c2007 |
||
| 942 |
_2ddc _cBP _s1 |
||
| 999 |
_c145454 _d145454 |
||