Multirate output feedback control and its application to galvanometer servo systems. - Chung Choo Chung; Seung-Hi Lee; Dong Seul Jeong; Hyungbo Shim (ACC, 2003)

Multirate digital control system design using lifting technique. - Dong Seul Jeong; Chung Choo Chung; Choong Woo Lee (CDC, 2007)