L. M. Omota, O. Iulian, and c. Mateescu, “REFRACTIVE INDICES, DENSITIES AND DERIVED EXCESS PROPERTIES OF BINARY AND TERNARY SYSTEMS WITH DIMETHYL SULFOXIDE, WATER AND 1,4-DIOXANE”, Hung. J. Ind. Chem., vol. 29, no. 1, pp. 1–5, Oct. 2001.