Text in book Zajec, Edward. – «Orphics : computer graphics and the temporal dimension of electronic color». – SISEA : proceedings. – Edited by Wim Van Der Plas. – Groningen : SISEA, 1991. – P. 57-74.
Text in periodical Zajec, Edward. – «Orphics : computer graphics and the shaping of time with color». – Leonardo. – (1988). – P. 111-116.
Video document Zajec, Edward. – Composition in red green blue. – 3/4" U-Matic, stereo sound, 5 min.
Video : Art work Zajec, Edward. – Chromas 2. – 3/4" U-Matic, col., stereo sound, 6 min 40 s.
Video : Art work Zajec, Edward. – Orphics : premier nocturne. – [s.d.]. – VHS, col., stereo sound, 4 min 12 s.