TY  - RPRT
TI  - Design and fabrication of an integrally illuminated runway distance marker using subminiature incandescent lamps 
AU  - Freund, M R
AU  - Mullis, W F
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 75-709
DO  - 10.6028/NBS.IR.75-709
ER  -