000 | 00646nam a22002297a 4500 | ||
---|---|---|---|
005 | 20210325200409.0 | ||
008 | s2002 eng d | ||
020 | _a026260065X | ||
041 | _aeng | ||
050 | _aT211 J34P 2002 | ||
100 | 0 | _aTrajtenberg, Manuel | |
245 | 1 | 0 | _aPatents, citations, and innovations : a window on the knowledge economy |
260 | 3 |
_aMassachusetts : _bThe MIT Press, _c2002 |
|
300 |
_a478 p. : _bgraph, tables ; _c22 cm. |
||
650 | 0 | 4 | _aTechnological innovations |
650 | 0 | 4 | _aInventions |
650 | 0 | 4 | _aPatents |
700 | 0 | _aTrajtenberg, Manuel | |
850 | _aNALT | ||
942 | _cGB | ||
997 | _c000000000049916 | ||
999 |
_c49916 _d49916 |