Text in book Wiegand, Ingrid. – «Videospace : varieties of the video installation». – New artists video : a critical anthology. – Edited by Gregory Battcock. – New York : E. P. Dutton, 1978. – P. 181-191.
Text in periodical Wiegand, Bob ; Wiegand, Ingrid. – «Video time in Walter». – Arts Magazine. – (Apr. 1974). – P. [].