Transportation Research Part E: Logistics and Transportation Review
Transportation Research Part E > 2009 > 45 > 5 > 710-724
Transportation Research Part E > 2010 > 46 > 1 > 109-119
Transportation Research Part E > 2009 > 45 > 5 > 710-724
Transportation Research Part E > 2010 > 46 > 1 > 109-119