TY - BOOK AU - Ostrom,Elinor AU - Parks,Roger B AU - Whitaker,Gordon P TI - Patterns of metropolitan policing SN - 0884107833 AV - HV8138 .O758 U1 - 363.20973 22 PY - 1978/// CY - Cambridge PB - Ballinger KW - Police KW - United States N1 - Includes bibliographical references ER -