\input zb-basic \input zb-ioport \iteman{io-port 70276955} \itemau{Lowe, G. K.; Zohdy, Mohamed A.} \itemti{A technique for using H2 and H INFINITY robust state estimation on nonlinear systems} \itemso{EIT, 109-115 (2009).} \itemcc{} \itemut{} \itemli{doi:10.1109/EIT.2009.5189593} \end