“The Effect of Temperature on the Enthalpy of Exchange of Divalent - Monovalent Ions on a Polymethacrylic Cation Exchange Resin”. Sorbtsionnye I Khromatograficheskie Protsessy, vol. 17, no. 3, Feb. 2018, pp. 366-77, https://doi.org/10.17308/sorpchrom.2017.17/390.