N. L.  Mulik, Niphadkar, P. S., Pandhare, K. V., and Bokade, V. V., ?HxZr3-xPW12O40 as an insoluble and reusable heteropolyacid for highly selective dehydration of fructose to 5-hydroxymethyl fufural in DMSO system?, Chemistryselect, vol. 3, no. 2, pp. 832-836, 2018.