1. Ayers, J.L. & Davis, W.J. (1977a). Neuronal control of locomotion in the lobster Homarus americanus. I Motor programs for forward and backward walking. J. comp. Physiol., 115, 1–27.
2. Ayers, J.L. & Davis, W.J. (1977b). Neuronal control of locomotion in the lobster Homarus americanus. II Types of walking leg reflexes. J. comp. Physiol., 115, 29–46
3. Barnes, W.J.P. (1977). Roprioceptive influences on motor output during walking in the crayfish. J. Physiol., Paris, 73, 543–564.
4. Barnes, W.J.P., Spirito, C.P. & Evoy, W.H. (1972). Nervous control of walking in the crab Cardisoma guanhumi. II.Role of resistance reflexes in walking. Z. vergl. Physiol., 76, 16–31.
5. Eässler, U. (1963). Neural Basis of Elementary Behavior in Stick Insects. Springer Verlag, Berlin.