Ermentrout B, Wang JW, Flores J, Gelperin A. (2004). Model for transition from waves to synchrony in the olfactory lobe of Limax. Journal of computational neuroscience. 17 [PubMed]
Moss BL, Fuller AD, Sahley CL, Burrell BD. (2005). Serotonin modulates axo-axonal coupling between neurons critical for learning in the leech. Journal of neurophysiology. 94 [PubMed]