(en) Thom Holmes, Electronic and Experimental Music: Pioneers in Technology and Composition, Psychology Press, (ISBN978-0-415-93644-6, lire en ligne), p. 77
(en) Karl Pedersen et Mark Grimshaw-Aagaard, The Recording, Mixing, and Mastering Reference Handbook, Oxford University Press, (ISBN978-0-19-068663-5, lire en ligne)
(en) Jon Chappell, The Recording Guitarist: A Guide for Home and Studio, Hal Leonard Corporation, (ISBN978-0-7935-8704-9, lire en ligne), p. 140