TY  - GEN
AU  - James E Davis
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1958-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.RPT.5893
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1958
TI  - Report of a survey of visual landing aids:
ER  -