TY  - RPRT
TI  - Photic effects on sustained performance
AU  - French, J.
AU  - Whitmore, J.
AU  - Hannon, P. J.
AU  - Brainard, G.
AU  - Schiflett, S.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19920013090
ID  - 19920013090
ER  -