000 00285nam a2200109Ia 4500
008 170707s9999 xx 000 0 und d
050 _a302.34 T79
100 _a"Tubbs, Stewart L."
245 2 _aA systems approach to small group interaction
260 _c1998
942 _2lcc
_cBK
_kCirc.
999 _c13277
_d13277