TY  - BOOK
AU  - Hale,Charles D.
AU  - Chapman,Samuel
TI  - Police patrol: operations and management 
SN  - 0471032913
PY  - 1981///
CY  - New York
PB  - Wiley
KW  - Police patrol
KW  - United States
N1  - Bibliography: p 313-322. - Includes index
ER  -