000 00323nam a2200133Ia 4500
008 161118s2016 xx 000 0 und d
082 _a301.152 H2D9
100 _aHall,D.M.
245 0 _aDynamics of group Discussion
250 _a2nd.
260 _aNew York
_bDanville Interstate
_c1961
300 _a196p.
942 _2ddc
999 _c19544
_d19544