Text in periodical
«Videotapes for sale and/or exchange». – Radical Software. – Vol. 1, no. 5 [(1972)]. – P. 71-78.
Also available on the Internet. {{www.radicalsoftware.org}}
Text in periodical
Reilly, John ; Stern, Rudi. – «Global village». – Radical Software. – Vol. 1, no. 5 [(1972)]. – P. 62-63.
Also available on the Internet. {{www.radicalsoftware.org}}