Abbas, Ahmed Mohammed, et al. “Study of Physical and Spectral Properties of Quaternary System of 2,5-Hexandione + Cyclopentanol + Cyclohexanol + 3-Heptanol Mixture at 298 K”. Asian Journal of Chemistry, vol. 30, no. 7, May 2018, pp. 1574-8, doi:10.14233/ajchem.2018.21259.