Bruce L. Berg, William G. Doerner American Journal of Police http://heinonline.org/HOL/Page?handle=hein.journals/ajpol7&div=8&g_sent=1&collection=journals#87 1988 Date Sat, 06/21/2014 - 06:31 PM Research Types Law Enforcement Perception Police Officers Policing Self-Interest William G. Doerner