\input zb-basic \input zb-ioport \iteman{io-port 50187544} \itemau{Ge, Zhiqiang; Song, Zhihuan} \itemti{Process structure change detection by eigenvalue-based method} \itemso{Computers & Chemical Engineering 35, No. 2, 284-295 (2011).} \itemcc{} \itemut{} \itemli{doi:10.1016/j.compchemeng.2010.05.011} \end