"Red Tention" painting on canvas 1967 / computer generated video 2011.
"Green Tention" painting on canvas 1967 / computer generated video 2011.
"Dyptique" painting on canvas 1968 / computer generated video 2011.
"Oval Form" painting on canvas 1967 / computer generated video 2011.
"Optical Cubes" painting on canvas 1969 / computer generated video 2011.
"Circular Tention" painting on canvas 1969.
"Pink Tention" painting on canvas 1969.
