On Pi_2 Theories of hp-T Degrees of Low Sets. - Kunimasa Aoki; Juichi Shinoda; Teruko Tsuda (Theor. Comput. Sci., 1994)

A Conceptual Model of Fishery in Resource-Event-Agent Framework. - Sohei Ito; Kunimasa Aoki; Kazuaki Kajitori (EJC, 2015)