S. Pierre, Traité des objets musicaux, 1965.

. Wim, American Minimal Music, pp.16-17, 1983.

J. James, T. Cage, . Theory, and . Harmony, The Univ, Writings about John Cage, p.142, 1996.

P. Schaeffer, Traité des objets musicaux. Ibid, pp.349-360

. Simon, Composing in Context: Hybrid Tendencies in Electroacoustic Music. Lecture and Seminar 30, p.1

&. Bernard, S. Engelen-helen, and . Dennis, On Sound Design, paper for the sound conference Hey Listen in Stockholm Acousmatic music: does it exist, Vous avez dit acousmatique Musiques et Recherches, pp.21-23, 1991.