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2. Necessary conditions for off-hour deliveries and the effectiveness of urban freight road pricing and alternative financial policies;Holgu’n-Veras;Transportation Research Part A: Policy and Practice,2008
3. An investigation on the effectiveness of joint receiver-carrier policies to increase truck traffic in the off-peak hours;Holgu’n-Veras;Part I: The behavior of receivers. Networks and Spatial Economics,2007
4. An investigation on the effectiveness of joint receiver-carrier policies to increase truck traffic in the off-peak hours;Holgu’n-Veras;Part II: The behavior of carriers. Networks and Spatial Economics,2008
5. An investigation on the effectiveness of joint receiver-carrier policies to increase truck traffic in the off-peak hours: Part I: The behaviors of receivers;Holgu’n-Veras;Networks and Spatial Economics,2007