Document d'archive : Manuscrit Meigh-Andrews, Chris. – [Richard Monkhouse and the EMS Spectron : Peter Donebauer and the Videokalos image processor]. – August 2000. – 16 p. – Manuscrit.
Document d'archive : Manuscrit Meigh-Andrews, Chris. – Interview with Richard Monkhouse : 23/5/2000. – [8] p. – Manuscrit. – Retranscription d'entretien.