TY  - BOOK
AU  - Ostrom, Elinor
AU  - Ostrom, Elinor
TI  - Patterns of metropolitan policing
SN  - 0884107833
AV  - HV8138 O8 
PY  - 1978///
CY  - Cambridge, Massachusetts : 
PB  - Ballinger, 
KW  - Police -- United States
ER  -