Bigamudre Chaitanya Deva
Martina Maria Sam
Helmut Karl Kohlenberger
Rom Harré
Lieberman, Philip.
Alphonse G. Juilland
John McShane
Wolfgang Frühwald
Susanne Luther
R. J. Baken
Gregory Yuri Glazov
Richard L. Abel
Norman Page
James L. Flanagan
International Conference on Speech Motor Control and Stuttering (2nd 1990 Nijmegen, Netherlands)
Philip Lieberman
James F. Kavanagh