000 00408nam a2200145Ia 4500
008 211229s9999||||xx |||||||||||||| ||und||
020 _a0-262-19539-9
040 _cFCIT
041 _aENG
082 _a371.334
_bSTA
100 _aStahl, Gerry
245 0 _aGroup Cognition
_bComputer Support for Building Collorative Knowledge
260 _aUSA
_bMIT Press
_c2006
942 _cBook
999 _c8939
_d8939