Transportation Research Part E: Logistics and Transportation Review
Transportation Research Part E > 2002 > 38 > 2 > 135-149
Transportation Research Part E > 2002 > 38 > 2 > 117-134
Transportation Research Part E > 2002 > 38 > 2 > 97-116
Transportation Research Part E > 2002 > 38 > 2 > 75-95