Xiao, Qing; Meng, Xiangtai; Kanai, Motomu; Kuninobu, Yoichiro Angewandte Chemie - International Edition, 2014 , vol. 53, # 12 p. 3168 - 3172 Angew. Chem., 2014 , vol. 126, # 12 p. 3232 - 3236,5