00450nam a2200193 a 450000500170000002000180001708200150003510000180005010000160006810000190008424500400010326000280014330000230017160000080019463000200020263000220022285600060024485600060025020251219155828.0  a9780202306445  a306.3bLIN  aLin, Nan Eds.  aCook, Karen  aBurt, Ronald s  aSocial capitalbtheory and research  aLondonbRoutledgec2001  a333 p.c22 cm.bPB  bc_  aSocial networks  aSocial structures  f_  a_