1. Adrian ED (1947) The physical background of perception. Clarendon Press, Oxford
2. Adrian ED, Bronk DW (1929) The discharge of impulses in motor nerve fibres. Part II. The frequency of discharge in reflex and voluntary contractions. J Physiol 67:119–151
3. Alexander R McN (1981) Mechanics of skeleton and tendons. In: Brookhart JM, Mountcastle VB (eds) Handbook of physiology. The nervous system. II. Motor control. American Physiological Society, Bethesda, pp 17–42
4. Belen’kii VY, Gurfinkel VS, Paltsev YI (1967) On the elements of control of voluntary movement. Biophysics 12:154–160
5. Bernstein NA (1936) Die kymozyclographische Methode der Bewegungsuntersuchung. In: Abderhalden E (Hrsg) Handbuch der biologischen Arbeitsmethoden, Abt 5, Teil 5 A. Urban & Schwarzenberg, Berlin Wien, S 629–680