TY  - RPRT
TI  - LEAA police equipment survey of 1972, volume IV : alarms, security equipment, surveillance equipment
AU  - Eldreth, J L
AU  - Bunten, E D
AU  - Klaus, P A
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 480-4
DO  - 10.6028/NBS.SP.480-4
ER  -