| 000 | 00487nab#a2200193#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219150802.0 | ||
| 008 | 941205s1985 uuu|| #####0 b| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aSchankerman, Mark _940134 |
|
| 245 | _aValeur et obsolescence des brevets | ||
| 260 | _c1985 | ||
| 500 | _aContiene bibliografía y resumen | ||
| 650 | 4 |
_aPATENTES _947974 |
|
| 773 | 0 |
_tRevue Economique _gv. 36, nº 5, p. 917-941 |
|
| 942 | _cART | ||
| 942 | _z39895 | ||
| 999 |
_c10442 _d10442 |
||