Cost-of-crowding model for light rail train and platform length. - Willem Klumpenhouwer; S. C. Wirasinghe (Public Transp., 2016)

What do riders say and where? The detection and analysis of eyewitness transit tweets. - Omar Kabbani; Willem Klumpenhouwer; Tamer El-Diraby; Amer Shalaby (J. Intell. Transp. Syst., 2023)