| 000 | 00515nam a2200181Ia 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 100324s9999 xx 000 0 und d | ||
| 020 | _aFS IV 89 - 5 | ||
| 040 | _a, | ||
| 100 | _aAcs, Zoltan J; Audretsch, D.B | ||
| 245 | _aPatents as a measure of innovative activity | ||
| 260 |
_c1989 _bWissenschaftszentrum, Berlin |
||
| 300 |
_bSee WZ 330 YAM (Includes Acc. Nos. 32360 & 32361) _a13 |
||
| 366 | _b1989 | ||
| 650 | _aECONOMICS | ||
| 942 |
_cWP _2ddc |
||
| 999 |
_c92731 _d92731 |
||