11B MAS NMR and First-Principles Study of the [OBO3] Pyramids in Borates. - Bing Zhou; Wei Sun; Biao-Chun Zhao; Jin-Xiao Mi; Laskowski, Robert; Terskikh, Victor; Xi Zhang; Lingyun Yang; Botis, Sanda M.; Sherriff, Barbara L.; Yuanming Pan (Inorganic Chemistry, 2016)