TY  - JOUR
PY  - 1991//
TI  - Different speed limits for cars and trucks: Do they affect vehicle speeds?
JO  - Journal of safety research
A1  - Esterlitz, Joy R.
A1  - Zador, Paul L.
A1  - Baum, H. M.
A1  - Penny, M.
SP  - 117
EP  - 117
VL  - 22
IS  - 2
N2  - <p>[Abstract unavailable]</p>
LA  - en
SN  - 0022-4375
UR  - http://dx.doi.org/
ID  - ref1
ER  -