00384    a2200133   4500020001500000082001600015100001700031245008700048260002900135300002100164650001700185700002500202700002300227  a0803972296  a302.34bARR  aArrow, Holly  aSmall groups as complex systemsbFormation coordination developmant and adaptation  aLondonbSAGEc2000g2000  aviii,336p.c23cm  aSOCIAL GROUP  aBerdahl, Jennifer L.  aMcgrath, Joseph E.