On the allocation of city space to multiple transport modes. Transportation Planning and Technology. 33(8):643-656.. 2010.
The evening commute with cars and transit: duality results and user equilibrium for the combined morning and evening peaks. Procedia - Social and Behavioral Sciences. 80:249-265.. 2013.
Macroscopic relations of urban traffic variables: bifurcations, multivaluedness, and instability. Transportation Research Part B: Methodological. 45(1):278-288.. 2011.
Morning commute with competing modes and distributed demand: User equilibrium, system optimum, and pricing. Transportation Research Part B. 46(10):1519–1534.. 2012.
The potential of parsimonious models for understanding large scale transportation systems and answering big picture questions. EURO Journal on Transportation and Logistics. 1(1):47-65.. 2012.