High-speed, accurate gas recognition and concentration estimates by the time-division method. - Shiko Yokozuka; Yumi Nakayama; Hiromi Kida (Syst. Comput. Jpn., 2000)

Application Layer Traffic Engineering for Multipoint Communication System. - Yumi Nakayama; Katsuhiko Kaji; Nobuo Kawaguchi (NBiS, 2012)