| 000 | 00376nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 160523s9999 xx 000 0 und d | ||
| 020 | _a0-262-19539-9 | ||
| 100 | _aStahl, G. | ||
| 245 | _aGroup cognition: Computer support for building collaborative knowledge | ||
| 260 |
_aCambridge; Massachusetts _bMIT Press _c2006 |
||
| 300 | _aviii, 510p. | ||
| 490 | _aActing with technology | ||
| 999 |
_c27477 _d27477 |
||