1. Kroger FA (1964) The chemistry of imperfect crystals. North-Holland Publishing Company, Amsterdam
2. Crystal Growth. Alkali Halides (2002) Acta, Kharkov (in Russian)
3. Kaposi O, Benese L, Zuravleva LV (1986) Determination of the thermodynamic activities by mass-spectrometry. J Chem Thermodyn 18:635–645
4. Iliasov II, Bergman AG (1966) System Na+, K+, Cs+, I–. J Nonorg Chem B3:681–683 (in Russian)
5. Mahosoev MV, Alekseev FP, Lutsik VI (1978) Phase diagram for tungstates. Nauka, Novosibirsk (in Russian)