TY  - JOUR
A1  - Sampson, R.J.
A1  - Raudenbush, S.W.
A1  - Earls, F.
T1  - Neighborhoods and violent crime: A multilevel study of collective efficacy
Y1  - 1997
DO  - 10.1126/science.277.5328.918
JF  - Science
VL  - 277
IS  - 5328
SP  - 918
EP  - -924

ER  -