Participation:

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

Contribution to PIAC Newsletter No. 10, October 1975, p. 8.: On Volga-Bulgarian bačna