Hasegawa, Yasuchika; Ohkubo, Tomoki; Nakanishi, Takayuki; Kobayashi, Atsushi; Kato, Masako; Seki, Tomohiro; Ito, Hajime; Fushimi, Koji European Journal of Inorganic Chemistry, 2013 , # 34 p. 5911 - 5918