A New Borophosphate Compound with Helix Structure: (NH_4)_(0.5) (H_3O)_(0.5)Mg(H_2O)_2BP_2O_8
Shi Hengzhen;Shan Yongkui;He Mingyuan;Dai Liyi;Liu Yuyan;Weng Linhong
Acta Chimica Sinica . 2003, (5): 711 -714 .