Text in periodical
«Contents». – Radical Software. – Vol. 1, no. 1 [(1970)]. – P. [Index].
Also available on the Internet. {{www.radicalsoftware.org}}
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«A Radical Software state-of-the-art report». – Radical Software. – Vol. 1, no. 5 [(1972)]. – P. 109-115.
Also available on the Internet. {{www.radicalsoftware.org}}
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Arlen, Ann. – «Public access : the second coming of television?». – Radical Software. – Vol. 1, no. 5 [(1972)]. – P. 81-85.
Also available on the Internet. {{www.radicalsoftware.org}}