A Ramp Queue Length Estimation Algorithm. - Georgios Vigos; Markos Papageorgiou; Yibing Wang (ITSC, 2006)

A Simplified Estimation Scheme for the Number of Vehicles in Signalized Links. - Georgios Vigos; Markos Papageorgiou (IEEE Trans. Intell. Transp. Syst., 2010)