Text in book de Mul, Jos. – «Networked identities». – Seventh international symposium on electronic art : proceedings. – Edited by Michael B. Roetto. – Montréal : ISEA : Inter-Société des arts électroniques, 1997. – P. 11-16.
Text in periodical Harithas, James. – «Blueprint for a creative reorientation». – Radical Software. – Vol. 2, no. 5 ([1973]). – P. 44-45. Also available on the Internet. {{www.radicalsoftware.org}}