Britto AI, 1990, J Speech Hear Disord, 55, 476, 10.1044/jshd.5503.476
Buekers R, 1997, Log Phon Vocol, 22, 71, 10.3109/14015439709075317
Fitch JL., 1990, J Speech Hear Disord, 55, 360, 10.1044/jshd.5502.360
Gelfer MP, 1991, J Voice, 5, 158, 10.1016/S0892-1997(05)80179-1
Gotaas C, 1993, Folia Phoniatr, 45, 120, 10.1159/000266237
Lauri E-R, 1997, Folia Phoniatr Logop, 49, 234, 10.1159/000266461
Neils LR, 1987, Folia Phoniatr, 39, 104, 10.1159/000265846
Novak A, 1991, Folia Phoniatr, 43, 74, 10.1159/000266114
Ohlsson A-C., 1988, Voice and work environment: towards an ecology of vocal behaviour
Pegoraro Krook MI., 1988, Folia Phoniatr, 40, 82, 10.1159/000265888
Stemple JC, 1995, J Voice, 9, 127, 10.1016/S0892-1997(05)80245-0
Titze IR., 1994, Principles of voice production
Verstraete J, 1993, Folia Phoniatr, 45, 223, 10.1159/000266266
Vilkman E, 1997, Folia Phoniatr Logop, 49, 247, 10.1159/000266463