TY  - JOUR
PY  - 1974//
TI  - A laboratory investigation of signal indications for protected left turns
JO  - Human factors
A1  - King, L. E.
A1  - Plummer, R. W.
SP  - 37
EP  - 45
VL  - 16
IS  - 1
N2  - Abstract unavailable.
LA  - 
SN  - 0018-7208
UR  - http://dx.doi.org/
ID  - ref1
ER  -