Transportation Research Part B: Methodological
Transportation Research Part B > 2012 > 46 > 6 > 762-780
Transportation Research Part B > 2012 > 46 > 7 > 855-873
Transportation Research Part B > 2012 > 46 > 6 > 762-780
Transportation Research Part B > 2012 > 46 > 7 > 855-873