@techreport{
HegDeS:02-015a,
author={A. Hegyi and B. {D}e Schutter and J. Hellendoorn},
title={Optimal Coordination of Variable Speed Limits to Suppress Shock Waves --
{A}ddendum},
number={CSE02-015a},
institution={Control Systems Engineering, Fac.\ of Information Technology and
Systems, Delft University of Technology},
address={Delft, The Netherlands},
month=mar,
year={2003}
}