TY  - JOUR
PY  - 1961//
TI  - Uniformity of traffic control. Has it been achieved?
JO  - Traffic quarterly
A1  - Michael, HL
SP  - 98
EP  - 107
VL  - 15
IS  - 1
N2  - [Abstract unavailable]    <p>Language: en</p>
LA  - en
SN  - 0041-0713
UR  - http://dx.doi.org/
ID  - ref1
ER  -