Text in periodical
«What's doing : some video programs here and there». – Radical Software. – Vol. 2, no. 6 ([1974]). – P. 46-48.
Also available on the Internet. {{www.radicalsoftware.org}}
Text in periodical
Falk, Irving. – «The tactics of the truth». – Radical Software. – Vol. 2, no. 6 ([1974]). – P. [16]-17.
Also available on the Internet. {{www.radicalsoftware.org}}