Menezes, P. Intersign poetry: Visual and sound poetics in the technologizing of culture / Philadelpho Menezes. Experimental - visual - concrete : Avant-Garde Poetry since the 1960s.(1996).

Menezes, Philadelpho. "Intersign Poetry: Visual and Sound Poetics in the Technologizing of Culture / Philadelpho Menezes." Experimental - Visual - Concrete : Avant-Garde Poetry Since the 1960s.(1996) .

Menezes, Philadelpho. "Intersign Poetry: Visual and Sound Poetics in the Technologizing of Culture / Philadelpho Menezes." Experimental - Visual - Concrete : Avant-Garde Poetry Since the 1960s.(1996), .