TY - CONF A1 - Sun, M A1 - Zheng, C T1 - Identification of distributed parameter systems with undetected zones. Y1 - 1999// N1 - R826694C659 N1 - R822721C659 ER - TY - CONF A1 - Sun, M A1 - Moore, J T1 - An indirect optimization method for identification of distributed parameters. N1 - R826694C659 ER - TY - CONF A1 - Sun, M A1 - Zheng, C T1 - Calibration of 3-D groundwater model using hydrogeological parameter zones. N1 - R826694C659 ER - TY - CONF A1 - Sun, M A1 - Moore, J A1 - Zheng, C T1 - Soft constraints in identification of distributed parameters. N1 - R826694C659 JF - PROCEEDINGS OF THE 33RD SOUTHEASTERN SYMPOSIUM ON SYSTEM THEORY ER -