Sinhalese morphological analysis: a step towards machine processing of Sinhalese. - Susantha Herath; Takashi Ikeda; S. Yokoyama; Hitoshi Isahara; Shun Ishizaki (TAI, 1989)

Robust parameter-estimation using the bootstrap method for the 2-parameter Weibull distribution. - T. Seki; S. Yokoyama (IEEE Trans. Reliab., 1996)