TY  - GEN
AU  - C A Douglas
AU  - R L Booker
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1977-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.MONO.159
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1977
TI  - Visual range ::concepts, instrumental determination, and aviation applications
ER  -