TY  - RPRT
TI  - Field tests of runway distance markers 
AU  - Simeroth, John W
AU  - Carrothers, Morton R
PY  - 1957
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 5466
DO  - 10.6028/NBS.RPT.5466
ER  -