Development of Image Processing Program for Yeast Cell Morphology. - Miwaka Ohtani; Ayaka Saka; Fumi Sano; Yoshikazu Ohya; Shinichi Morishita (J. Bioinform. Comput. Biol., 2004)

SCMD: Saccharomyces cerevisiae Morphological Database. - Taro L. Saito; Miwaka Ohtani; Hiroshi Sawai; Fumi Sano; Ayaka Saka; Daisuke Watanabe; Masashi Yukawa; Yoshikazu Ohya; Shinichi Morishita (Nucleic Acids Res., 2004)

Mapping Modern Science Using Co-citation Analysis. - Ayaka Saka; Masatsura Igami (IV, 2007)

Decreasing diversity in Japanese science, evidence from in-depth analyses of science maps. - Masatsura Igami; Ayaka Saka (Scientometrics, 2016)