The utilization of helicopters for police air mobility
Subtitle: a survey.
Publisher: U.S. Law Enforcement Assistance Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Published: 1971
Place of publication: [Washington]
Language: eng
Number of pages: 85
Subjects: Aeronautics in police work.; Helicopters.
Notes: Bibliography: p. 56-57.
"ICR 71-2."