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"Bi-level programming based contra flow optimization for evacuation events."
Nengchao Lv et al. (2010)
- Nengchao Lv, Xinping Yan
, Kun Xu, Chaozhong Wu:
Bi-level programming based contra flow optimization for evacuation events. Kybernetes 39(8): 1227-1234 (2010)
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