1Bernstein. David W. 2002. "Music I: to the late 1940s," The Cambridge companion to John Cage, edited by David Nicholls, Cambridge University Press, p. 71- 74.
2Emmerik, Paul. Von. 2002. "An Imaginary Grid:Rhythmic Structure Cage' s Music Up to circa 1950,"John Cage :Music Philosophy ,and Intention ,1933--1950 ,edited by David W. Patterson,New York:Routledge Publishing,Inc,p. 217.
3Cage,John. 1962. First Construction (in Metal) ,New York:C. F. Peters Corporation,in Note.
4Bernstein,David W. 2001. "In Order to Thicken the Plot" : Toward a Critical Reception of Cage's Music,Writing Through John Cage ' s Music, Poetry,and Art, edited by David Bernstein & Christopher Hatch, Chicago: University of Chicago Press, p. 22.
5Bernstein,David W. 2001. "In Order to Thicken the Plot" : Toward a Critical Reception of Cage's Music,Writing Through John Cage ' s Music, Poetry,and Art, edited by David Bernstein & Christopher Hatch, Chicago: University of Chicago Press, p.28.
6Bernstein. David W. 2002. "Music I: to the late 1940s," The Cambridge companion to John Cage, edited by David Nicholls, Cambridge University Press, p.70-71.
7Emmerik, Paul. Von. 2002. "An Imaginary Grid:Rhythmic Structure Cage' s Music Up to circa 1950,"John Cage :Music Philosophy ,and Intention ,1933--1950 ,edited by David W. Patterson,New York:Routledge Publishing,Inc,p.217-218.
8Emmerik, Paul. Von. 2002. "An Imaginary Grid:Rhythmic Structure Cage' s Music Up to circa 1950,"John Cage :Music Philosophy ,and Intention ,1933--1950 ,edited by David W. Patterson,New York:Routledge Publishing,Inc,p.219.
9Cage,John. 1991. An Autobiographical Statement ,from Southwest Review. It is reprinted here with the kind permission of The John Cage Trust, New York. http://newalbion. com/artists/cagej/autobiog. html.
10Boulez,Pierre, and Cage, John. 1995. The Boulez-Cage Correspondence. Edited by Robert Samuels and Jean-Jacques Nattiez, translated by Robert Samuels. Cambridge University Press,p. 49.
