TY  - BOOK
AU  - Chaiken,Jan M
ED  - Research and Development Corporation, 
TI  - What's known about deterrent effects of police activities
T2  - The Rand paper series
PY  - 1977///
CY  - Santa Monica, California
PB  - Rand Corporation
KW  - Crime prevention
KW  - Police
N1  - Includes bibliographical references
ER  -