Text in book Butterworth, Alex ; Wyver, John. – «Interactive or inhabited TV : broadcasting for the twenty-first century». – The new screen media : cinema/art/narrative. – Edited by Martin Rieser and Andrea Zapp. – London : British Film Institute, 2002. – P. 90-104.
Archive document : Correspondence / Letter Wyver, John. – [Letter to Woody Vasulka]. – London : Illuminatiions, April 1 1990 [(sic)]. – [1] p. – Included in the file entitled «The art of memory».