Irie Masahiro, Fukaminato Tuyoshi, Sasaki Takatoshi, Tamai Naoto, Kawai Tsuyoshi
Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University and CREST, Japan Science and Technology, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan.
Nature. 2002;420(6917):759-60. doi: 10.1038/420759a.