Gravesaner Blätter. No. 9, 1957: Mainz: Ars Viva Verlag: S. 43-50/51-54
Gravesaner Blätter. No. 11/12: Mainz: Ars Viva Verlag: 98-111/112-122.
Parts:
I) Gravesaner Blätter. No. 18: 61-83/84-105.
II) Gravesaner Blätter. No. 19/20: 129-139/140-150.
III) Gravesaner Blätter. No. 21: 102-111/113-121.
IV) Gravesaner Blätter. No. 22: 131-142/144-155.
Gravesaner Blätter No. 29: Gravesano (Tessin): Experimental Studio Gravesano: 23 – 38/39 – 57.
Republished and expanded in: Iannis Xenakis: Formalized Music. Thought and Mathematics in Music, Revised Edition, Additional material compiled and edited by Sharon Kanach, (= Harmonologia Series No. 6), Stuyvesant, N.Y.: Pendragon Press, 1992, 201-341.
Composers and the Computer. Los Altos: William Kaufmann: 170-192.
Perspectives of New Music: Vol. 25, No. 1-2. Princeton: Princeton University Press: 16-62.
Organised Sound: Vol. 1, no. 3. Cambridge: Cambridge University Press: 143-155.

