Participation:
- 12th Meeting, 1969: On the Alternation l ~ s in Turkic and Mongolian
- 13th Meeting, 1970: On the origin of primary long vowels in Turkic
- 14th Meeting, 1971: Further evidence for zetacism and sigmatism
- 16th Meeting, 1973: Consonant loss in Pre-Turkic
- 17th Meeting, 1974: Turkic tiš and Mongol šidün
- 19th Meeting, 1976
- 20th Meeting, 1977
- 23rd Meeting, 1980: Notes on some Altaic harnessing terms
- 29th Meeting, 1986: Turkic /Š/, Chuvash /Ś/ and Mongolian /Č/ — Türkçe /Ş/, Çuvaşça /S/ ve Moğolca /Ç/
- 32nd Meeting, 1989: The Comitative Case in Orkhon Turkic