R. H.  Ingle, Raj, N. K. Kala, and Manikandan, P., ?[SbW9O33]-based polyoxometalate combined with a phase transfer catalyst: A highly effective catalyst system for selective oxidation of alcohols with H2O2, and spectroscopic investigation?, Journal of Molecular Catalysis A-Chemical, vol. 262, no. 1-2, pp. 52-58, 2007.

B.  D'Cruz, Samuel, J., and George, L., ?Characterization, non-isothermal decomposition kinetics and photocatalytic water splitting of green chemically synthesized polyoxoanions of molybdenum containing phosphorus as hetero atom?, Thermochimica Acta, vol. 596, pp. 29-36, 2014.