Audio document Cage, John ; Hiller, Lejaren. – HPSCHD. – Edited by Joel Chadabe. – Albany : Electronic Music Foundation, 2003. – Compact Disc, stereo sound, 1 h 8 min 25 s.
Text in periodical Hiller, Lejaren ; Ames, Charles. – «Automated composition : an installation at the 1985 international exposition in Tsukuba, Japan». – Perspectives of New Music. – Vol. 23, no 2 (Spring/Summer 1985). – P. [].