1) BEMSTEIN N. A. The co-ordination and regulation of movements. Pergamon Press. (1967)
2) BEMSTEIN N. A. The problem of interrelation between coordination and localization. Arch Biol Sci. (1935) vol.38, p.1-35.
3) KOTTKE F. J. Training of Coordination. Arch Phys Med Rehabil. (1978) vol.59, p.567-572.
4) KOTTKE F. J. Therapeutic Exercise to Develop Neuromuscular coordination. Krusen's Handbook of Physical Medicine and Rehabilitation. Saunders. (1990) p.452-479.