TY  - BOOK
T1  - Effects of operating practices on commercial driver alertness
DA  - [1999?]
CY  - [Washington, D.C.] :
CN  - TD 2.30/20:
PB  - Federal Highway Administration, Office of Motor Carriers,
PP  - [Washington, D.C.] :
PY  - [1999?]
N1  - Caption title.
N1  - Shipping list no.: 2000-0240-M.
ID  - 230092
KW  - Truck driving
KW  - Truck drivers
KW  - Fatigue.
TI  - Effects of operating practices on commercial driver alertness
ER  -