Important Parameters Optimization for Opening Cotton Device. - Gaili Gao; Hefei Zhao; Jun Liu; Daoliang Li (CCTA (3), 2011)

Global Dynamics of a Planar Piecewise Linear Refracting System of Node-Node Types. - Hefei Zhao; Kuilin Wu; Yi Shao (Int. J. Bifurc. Chaos, 2022)