Text in periodical Mathews, M.V. – «Computer composers : comments and cases histories». – Techne. – Vol. 1, no. 2 (Nov. 6, 1970). – P. 10-11.
Archive document : Manuscript Klüver, Billy et al. – [Statement of E.A.T.'s purpose and philosophy]. – New York : [Experiments in Art and Technology], [January 1967]. – [4] p. – Manuscript.