An inexact optimization model for evacuation planning. - Chaozhong Wu; Gordon H. Huang; Xinping Yan; Yanpeng Cai; Yongping Li; Nengchao Lv (Kybernetes, 2009)

Bi-level programming based contra flow optimization for evacuation events. - Nengchao Lv; Xinping Yan; Kun Xu; Chaozhong Wu (Kybernetes, 2010)