Studies on the Electronic Structure and Catalytic Properties of Heteropoly Anion (NiV13O38)7-
Yang Sheng-Yong, Xiao Shen-Xiu, Chen Tian-Lang
Acta Phys. -Chim. Sin. . 1994, (12): 1071 -1074 .  DOI: 10.3866/PKU.WHXB19941204