1. Tomographische Studien zur Funktion des menschlichen Kehlkopfes;Frommhold;Folia Phoniatrica,1965
2. Experimental design;Kirk,1968
3. Music and singing synthesis equipment (Musse);Larsson;STL-QPSR,1977
4. Laryngeal articulation studied on Swedish subjects;Lindqvist;STL-QPSR,1972
5. Analytic studies of the larynx;Michel,1974