\input zb-basic \input zb-ioport \iteman{io-port 70997673} \itemau{Oleagordia, Ibon Ruiz; Zapirain, Bego\~na Garc{\'\i}a; Zorrilla, Amaia M\'endez} \itemti{Two approaches of Kalman filtering for oesophageal speech} \itemso{ISSPA, 225-228 (2010).} \itemcc{} \itemut{} \itemli{doi:10.1109/ISSPA.2010.5605536} \end