00480pab a2200181 454500008004000000100002600040245008100066260000900147300001400156362000800170650002000178650001300198650001000211650001000221700001800231700002400249773002500273180718b2008   xxu||||| |||| 00| 0 eng d  aMarginez, Romiro, Jr.  aSocial disorganization, drug market activity, and neighborhood violent crime  c2008  ap.846-74.  aJul  aSocial problems  aViolence  aDrugs  aCrime  aMares, Dennis  aRosenfield, Richard  aUrban Affairs Review