1. Trans. VIIth Intern. Ceram. Congress;Toropov,1960
2. Symposium: Chemistry and Practical Use of Silicates (TsBTI);Bondar,1960
3. The Papers of the VI Conference on Experim. and Technical Mineralog. and Petrogr.;Bondar,1961
4. Trans. VIIIth Intern. Ceram. Congress;Toropov,1962