TY  - RPRT
TI  - LEAA police equipment survey of 1972 volume III : sirens and emergency warning lights
AU  - Klaus, P
AU  - Bunten, E
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-212
DO  - 10.6028/NBS.IR.73-212
ER  -