NIJ standard for emergency vehicle sirens :
a voluntary national standard promulgated by the National Institute of Justice.
|Corporate Author:||National Institute of Justice (U.S.)|
Washington, D.C. : The Institute : 1981.
Sirens (Signaling devices) > Sirens (Signaling devices) / Standards > Sirens (Signaling devices) / Standards / United States.
G.P.O. sales information incorrect in publication.
"Formulated by the Law Enforcement Standards Laboratory of the National Bureau of Standards"--T.p. verso.
Cover title: Emergency vehicle sirens.
At head of title: Technology assessment program.
v, 10 p. :
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