00507pab a2200145 454500008004000000100002300040245017300063260000900236300001400245362000800259650001900267650002800286650002200314773002500336180718b2004   xxu||||| |||| 00| 0 eng d  aLelieveldt, Herman  aHelping citizens help themselves: neighbourhood improvement programs and the impact of social networks, trust, and norms on neighborhood-oriented forms of participation  c2004  ap.531-51.  aMay  aSocial capital  aPolitical participation  aUrban development  aUrban Affairs Review