TAO: a harmonic mean of Lisp, Prolog and Smalltalk. - Ikuo Takeuchi; Hiroshi G. Okuno; Nobuyasu Ohsato (ACM SIGPLAN Notices, 1983)

TAO: Afst Interpreter-Centered Lisp System on Lisp Machine ELIS. - Hiroshi G. Okuno; Ikuo Takeuchi; Nobuyasu Ohsato; Yasushi Hibino; Kazufumi Watanabe (LISP and Functional Programming, 1984)

A List Processing Language TAO with Multiple Programming Paradigms. - Ikuo Takeuchi; Hiroshi G. Okuno; Nobuyasu Ohsato (New Gener. Comput., 1986)