Phyletic Links between Proto-Indo-European and Proto-Northwest Caucasian

(1992, c) Phyletic Links between Proto-Indo-European and Proto-Northwest Caucasian, in Howard I. Aronson (ed.), The Non-Slavic Languages of the USSR, Linguistic Studies: New Series, University of Chicago: Chicago Linguistic Society. Pp. 19-54  [reprinted in The Journal of Indo-European Studies 25.1-2: 155-187, 1997]