Text in periodical
«Dennis James». – Radical Software. – Vol. 2, no. 2 [(1973)]. – P. 9-11.
Also available on the Internet. {{www.radicalsoftware.org}}
Text in periodical
Gordon, George. – «Don't try to understand media - know thyself». – Radical Software. – Vol. 2, no. 6 ([1974]). – P. 8-10.
Also available on the Internet. {{www.radicalsoftware.org}}