1. Arbuthnott, E.R., Ballard, K.J., Boyd, I.A., Gladden, M.H. & Sutherland, F. (1982). The ultrastructure of cat fusimotor endings and their relationship to foci of sarcomere convergence in intrafusal fibres. J. physiol., 331, 285–309.
2. Banks, R.W., Barker, D., Bessou, P., Pagès, B. & Stacey, M.J. (1978). Histological analysis of cat muscle spindles following direct observation of the effects of stimulating dynamic and static motor axons. J. Physiol., 283, 605–619.
3. Banks, R.W., Barker, D. & Stacey, M.J. (1982). Form and distribution of sensory terminals in cat hindlimb muscle spindles. Phil. Trans. R. Soc B, 99, 329–364.
4. Barker, D. (1974). The morphology of muscle receptors. In Handbook of Sensory Physiology, Vol. 3, Pt.2, Muscle Receptors. Ed. Hunt, C.C.. Springer. Verlag, New York, pp. 1–190.
5. Barker, D., Emonet. Dénand, F., Laporte, Y., Proske, U. & Stacey, M.J. (1973). Morphological identification and intrafusal distribution of the endings of static fusimotor axons in the cat. J. Physiol., 230, 405–427.