A Homophonic DES. - Tsu-Miin Hsieh; Yi-Shiung Yeh; Yung-Cheng Hsieh; Chan-Chi Wang (Inf. Process. Lett., 1998)

Dynamic GOST. - Yi-Shiung Yeh; Chu-Hsing Lin; Chan-Chi Wang (J. Inf. Sci. Eng., 2000)