• M. Golubitsky, I. Stewart, P.L. Buono and J.J. Collins. Symmetry in locomotor central pattern generators and animal gaits. Nature. 401 (1999) 693-695. [Abstract] [PDF 153K]
• M. Golubitsky, I. Stewart, P.L. Buono and J.J. Collins. A modular network for legged locomotion. Physica D. 115 (1998) 56-72. [Abstract] [PDF 1.1M]