Technical description of laser display system for “Laser concert”. — New York : [Experiments in Art and Technology], February 28, 1979. — 4 p. — Communique. — Included in the file entitled«[Artists for New York : background information]». CR+D Code number : EAT C17-21 / 4 DE 7 ÉLÉMENTS / 6 DE 7 ÉLÉMENTS ; 350