Oka Kengo, Koyama Tsukasa, Ozaaki Tomoatsu, Mori Shigeo, Shimakawa Yuichi, Azuma Masaki
Materials and Structures Laboratory, Tokyo Institute of Technology, Nagatsuta, Midori, Yokohama, Kanagawa 226-8503, Japan.
Angew Chem Int Ed Engl. 2012 Aug 6;51(32):7977-80. doi: 10.1002/anie.201202644. Epub 2012 Jul 2.