Yukikazu Takeoka, Harumi Murayama, Abu Imran, Shusaku Nagano, Takahiro Seki, Masatoshi Kidowaki, and Kohzo Ito, “Chromic Slide-Ring Gel based on Reflection from Photonic Bandgap”, Macromolecules, 41(5), 1808-1814 (2008).

Yukikazu Takeoka, Harumi Murayama, Abu Imran, Shusaku Nagano, Takahiro Seki, Masatoshi Kidowaki, and Kohzo Ito, “Chromic Slide-Ring Gel based on Reflection from Photonic Bandgap”, Macromolecules, 41(5), 1808-1814 (2008).

https://pubs-acs-org.utokyo.idm.oclc.org/doi/10.1021/ma0715627