@article{
HegDeS:02-023,
author={A. Hegyi and B. {D}e Schutter and J. Hellendoorn},
title={Optimal Coordination of Variable Speed Limits to Suppress Shock
Waves},
journal={IEEE Transactions on Intelligent Transportation Systems},
volume={6},
number={1},
pages={102--112},
month=mar,
year={2005},
doi={
10.1109/TITS.2004.842408}
}