Typological Parallels between Proto-Indo-European and the Northwest Caucasian Languages

(1981, a) Typological Parallels between Proto-Indo-European and the Northwest Caucasian Languages. 

Bono Homini Donum: Essays in Historical Linguistics in Memory of J. Alexander Kerns, Y. Arbeitman and A. R. Bomhard (eds.), vol. 2, pp. 475-558. Amsterdam: John Benjamins.