Structure and Characterization of a Novel Heteropolyoxoanion[{Na 2(H 2O) 3}Ni(H 2O)VOAs 4W 40O 140] 21-
LIU Bin, XUE Gang-Lin, HU Huai-Ming, WANG Lan-Ying, SHI Qi-Zhen, ZHENG Li-Min, XIN Xin-Quan, WANG Ji-Wu
Acta Chimica Sinica . 2004, (13): 1222 -1225 .