1977

15.           M. R. Marinov, V. S. Kozhukharov, J. Pavlova
                Phase equilibrium in the TeO2 - V2O5 - Fe2O3 system;
                Compt. rend. Acad.Bulg. Sci. 30 (l977) 73.

16.           S. Neov, I. Gerasimova, K.Krezhov, B. Sidzhimov and V. S. Kozhukharov
                Neutron diffraction study of glass structure in the TeO2 - Fe2O3 system.
                National Conference "Physics-Industry" Kazanlak, Bulgaria (1977)
                (in Bulgarian)

17.           N. Dimitrova, T. Enikov, V. Kozhukharov and M. Marinov.              
                Vitreous substances with copper unstable nucleus centers     
                Silicate materials and Silicate Industry, Sofia 18 (1977) 23 (in Bulgarian)

18.           V. Todorov, K. Krezhov, V. Kozhukharov, S. Neov, B. Sydzhimov.
                A tellurite glass for X-ray and  -ray protection.
                National Conference "Physics-Industry" Kazanlak, Bulgaria (1977),
                (in Bulgarian)