Evolutionary System: Structures and Functions, Disparity Hypothesis and Gene Duplication. - Ken-nosuke Wada; Yoshiko Wada; Hirofumi Doi; Shin'ichi Tanaka; Mitsuru Furusawa (International Conference on Evolutionary Computation, 1994)

Condon usage tabulated from the international DNA sequence databases. - Yasukazu Nakamura; Ken-nosuke Wada; Yoshiko Wada; Hirofumi Doi; Shigehiko Kanaya; Takashi Gojobori; Toshimichi Ikemura (Nucleic Acids Res., 1996)