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«Forthcoming issues of Radical Software». – Radical Software. – Vol. 2, no. 1 [(1972)]. – P. [73].
Also available on the Internet. {{www.radicalsoftware.org}}
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«For sale». – Radical Software. – Vol. 2, no. 2 [(1973)]. – P. 61.
Also available on the Internet. {{www.radicalsoftware.org}}
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«Us». – Radical Software. – Vol. 2, no. 2 [(1973)]. – P. 56-59.
Also available on the Internet. {{www.radicalsoftware.org}}