Transportation Research Part E: Logistics and Transportation Review
Transportation Research Part E > 2011 > 47 > 2 > 238-248
Transportation Research Part E > 2011 > 47 > 3 > 382-389
Transportation Research Part E > 2011 > 47 > 2 > 238-248
Transportation Research Part E > 2011 > 47 > 3 > 382-389