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J-GLOBAL ID：200902001850428890   Reference number：93A0404006

Two-level hierarchical transportation networks with variable secondary costs.

Author (2)： BALAKRISHNAN N (Tulane Univ., LA) ,  ARNOLD L R (Tulane Univ., LA)
Material： Annual Meeting Proceedings of the Western Decision Science Institute  (Proceedings of the Annual Meeting of the Western Decision Sciences Institute)
Volume： 1991  Issue： Vol 2  Page： 1079-1081  Publication year： 1991 
JST Material Number： E0243B  Document type： Proceedings
Country of issue： United States (USA)  Language： ENGLISH (EN)