Transportation Research Part E: Logistics and Transportation Review
Transportation Research Part E > 2007 > 43 > 4 > 321-337
Transportation Research Part E > 2007 > 43 > 6 > 660-672
Transportation Research Part E > 2007 > 43 > 4 > 321-337
Transportation Research Part E > 2007 > 43 > 6 > 660-672