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- 77017493 contributor B3036155.
- 77017493 contributor B3036156.
- 77017493 created "1978.".
- 77017493 date "1978".
- 77017493 date "1978.".
- 77017493 dateCopyrighted "1978.".
- 77017493 description "Bibliography: p. 29.".
- 77017493 extent "viii, 43 p. :".
- 77017493 isPartOf "Law enforcement equipment technology".
- 77017493 isPartOf "NBS special publication ; 480-28".
- 77017493 isPartOf "NBS special publication ; 480-28.".
- 77017493 issued "1978".
- 77017493 issued "1978.".
- 77017493 language "eng".
- 77017493 publisher "Washington : U.S. Dept. of Commerce, National Bureau of Standards,".
- 77017493 subject "602/.1 s 621.389/2".
- 77017493 subject "QC100 .U57 no. 480-28 TK5990".
- 77017493 subject "Sirens (Signaling devices) Testing.".
- 77017493 title "The Development and testing of a highly directional dual-mode electronic siren / prepared for National Institute of Law Enforcement and Criminal Justice, Law Enforcement Assistance Administration by R. L. Fisher ... [et al.] ; and Law Enforcement Standards Laboratory.".
- 77017493 type "text".