On the availability of k-coteries in networks with unreliable nodes and links. - Eun Hye Choi; Tatsuhiro Tsuchiya; Tohru Kikuno (WORDS (Jan.), 1999)

Optimal k-Coteries That Maximize Availability in General Networks. - Eun Hye Choi; Tatsuhiro Tsuchiya; Tohru Kikuno (ICOIN (2), 2002)

On the Observability of Semilinear Fuzzy Dynamical Control Systems. - Young Chel Kwun; Eun Hye Choi; Jong Seo Park; Jin Han Park (ICFIE, 2009)