1. Adaptation and Recovery in Vibrotactile Perception
2. Boring, E (1942) “Sensation & Perception” Appleton Century Co. New York 1942
3. Corso, J (1967) “The experimental psychology of sensory behaviour” Holt, Reinhart & Winston, New York 1967
4. Vibrotactile spatial summation
5. Differential discrimination of frequency of cutaneous mechanical vibration.