TY  - JOUR
PY  - 1941//
TI  - Fatigue and hours of service of interstate truck drivers (IV): Critical fusion frequency of flicker
JO  - Public health bulletin (Washington, DC)
A1  - Lee, R. H.
SP  - 195
EP  - 208
VL  - 
IS  - 265
N2  - <p>[Abstract unavailable]</p> 
LA  - 
SN  - 1048-6348
UR  - http://dx.doi.org/
ID  - ref1
ER  -