RT Book
T1 Prevention and control of collective violence / 1 Guidelines for the chief of police
JF Prevention and control of collective violence
A1 Callahan, William T.
A2 Knoblauch, Richard
LA Undetermined
PP Washington, D.C.
PB U.S. Dept. of Justice, Law Enforcement Assistance Administration
YR 1973
UL https://krimdok.uni-tuebingen.de/Record/1098688996