Michael Kassler, Report from Edinburgh, Perspectives of New Music
Vol. 7, No. 2 (Spring — Summer, 1969), pp. 175—177. Published by: Perspectives of New Music. Stable URL: https://www.jstor.org/stable/832302Архивная копия от 30 октября 2015 на Wayback Machine
Chris Meigh-Andrews, Peter Donebauer, Richard Monkhouse and the Development of the EMS Spectron and the Videokalos Image Processor, Leonardo Vol. 40, No. 5 (2007), pp. 463—467, 450—451, at p. 463. Published by: The MIT Press. Stable URL: https://www.jstor.org/stable/20206483Архивная копия от 11 марта 2016 на Wayback Machine
David Wright and Harrison Birtwistle, Clicks, Clocks & Claques. David Wright Investigates Cliques and the Claques in the Music of Birtwistle, 60 This Month, The Musical Times
Vol. 135, No. 1817 (Jul., 1994), pp. 426—431, at p. 430. Published by: Musical Times Publications Ltd.
Stable URL: https://www.jstor.org/stable/1003251Архивная копия от 30 октября 2015 на Wayback Machine
Michael Kassler, Report from Edinburgh, Perspectives of New Music
Vol. 7, No. 2 (Spring — Summer, 1969), pp. 175—177. Published by: Perspectives of New Music. Stable URL: https://www.jstor.org/stable/832302Архивная копия от 30 октября 2015 на Wayback Machine
Chris Meigh-Andrews, Peter Donebauer, Richard Monkhouse and the Development of the EMS Spectron and the Videokalos Image Processor, Leonardo Vol. 40, No. 5 (2007), pp. 463—467, 450—451, at p. 463. Published by: The MIT Press. Stable URL: https://www.jstor.org/stable/20206483Архивная копия от 11 марта 2016 на Wayback Machine
David Wright and Harrison Birtwistle, Clicks, Clocks & Claques. David Wright Investigates Cliques and the Claques in the Music of Birtwistle, 60 This Month, The Musical Times
Vol. 135, No. 1817 (Jul., 1994), pp. 426—431, at p. 430. Published by: Musical Times Publications Ltd.
Stable URL: https://www.jstor.org/stable/1003251Архивная копия от 30 октября 2015 на Wayback Machine