RACK, P. The effects of length and stimulus rate on tension in the isometric cat soleus muscle. Journal of Physiology. 1969, 217, 419-444
FELDMAN, A. Functional tuning of the nervous system with control of movement or maintenance of a steady posture. iii. mechanographic analysis of execution by man on the simplest motor tasks. Biophysics. 1966, 11, 766-775
FELDMAN, A. The origin of electromyograms-explanations based on the equilibrium point hypotheses. Multiple Muscle Systems. 1990, 12
BIZZI, E. Posture control and trajectory formation during arm movement. The Journal of Neuroscience. 1984, 4, 11, 2738-2744
HOGAN, N. An organizing principle for a class of voluntary movements. The Journal of Neuroscience. 1984, 4, 11, 2745-2754