TY  - RPRT
TI  - Intruder detection using trace constituent analysis 
AU  - DeVoe, J R
AU  - Sweger, D M
AU  - Velapoldi, RA
PY  - 1979
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 78-1510
DO  - 10.6028/NBS.IR.78-1510
ER  -