ix, 120 pages : illustrations ; 26 cm.
Prescriptive package - National Institute of Law Enforcement and Criminal Justice.
Bibliography, etc. Note
Bibliography: pages 115-120.
Washington : National Institute of Law Enforcement and Criminal Justice, Law Enforcement Assistance Administration, U.S. Dept. of Justice : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.