TY  - RPRT
TI  - Mechanical tests of FAA-E-2491 airport in-pavement approach and threshold lights 
AU  - Robinson, Donald C
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 75-647
DO  - 10.6028/NBS.IR.75-647
ER  -