References
- Busch, E. (1944) Suboccipital Encephalography in Patients in Horizontal Position and in Patients under General Anesthesia. Acta psychiat. et neurol., 19, p. 61.
- Plantes, B. G. Ziedses des (1943) Techniek en indicatie der encephalographie. Psych, en Neurol. Bl., 47, p. 322.