1. Relationships between Electroglottograph, Speech, and Vocal Cord Contact
2. Colton R. H. Glottal waveform variations associated with different vocal intensity levels, L. Van Lawrence. Transcripts of the 13th Symposium Care of Professional Voice, Part I: Scientific papers, The Voice Foundation, New York 1984; 39–47
3. Klassifizierung von Glottisdysfunktionen mit Hilfe der Elektroglottographie