Citation: Akihito Konishi; Yasukazu Hirao; Kouzou Matsumoto; Hiroyuki Kurata; Ryohei Kishi; Yasuteru Shigeta; Masayoshi Nakano; Kazuya Tokunaga; Kenji Kamada; Takashi Kubo (2013). Synthesis and Characterization of Quarteranthene: Elucidating the Characteristics of the Edge State of Graphene Nanoribbons at the Molecular Level. Journal of the American Chemical Society, 135, pp. 1430-1437.