Citation: Mi. Khan et al., Synthesis and characterization of decavanadates: X-ray crystal structures of (H3O)(2)[M(H2O)(6)](2)[V10O28H6]center dot 4H(2)O (M= Co, Ni) and Na[H3N(CH2)(2)NH3](2.5)[V10O28]center dot 5H(2)O, SYN REAC IN, 30(9), 2000, pp. 1773-1790