00297nam a2200097Ia 4500008004100000020001800041100002200059245006400081260004400145300001000189260211s9999||||xx |||||||||||||| ||und||  a9780805813166  aFrey, Lawrence R. 0aGroup Communication in Context: Studies of Natural Gorups    bLawrence Erlbaum AssociatesaU.K.c1994  a368p.