Lee Seung Jio. Nucleus G-99, 1969. Oil on canvas, 161 x 130 cm. Courtesy of Jung-ja Koh and PKM Gallery.
Lee Seung Jio. Nucleus 77-30, 1977. Oil on canvas, 162 x 130 cm. Courtesy of Jung-ja Koh and PKM Gallery.
Lee Seung Jio. Nucleus 87-09, 1987. Oil on canvas, 200 x 400 cm. Courtesy of Jung-ja Koh and PKM Gallery.