00429nam a2200169Ia 450000100060000000800410000602000150004704000130006208200190007510000250009424500410011925000080016026000560016830000110022454600070023565000170024243768140425s9999    xx            000 0 und d  a0534261485  cPK-LaUMT  a 302.34bFOR-G  aForsyth, Donelson R.  aGroup dynamicscForsyth, Donelson R.  a3rd  aBelmont,USA:bBrooks/Cole Publishing Company,c1999  a622 p.  aEN  aSocial group