TY  - GEN
AU  - Wall, A C
AU  - Douglas, C A
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1964-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.RPT.8169sup
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1964
TI  - An investigation of beam-spreading techniques for semiflush-prismatic type airport-marker lights:
ER  -