Cymbalyuk G, Shilnikov A. (2005). Coexistence of tonic spiking oscillations in a leech neuron model. Journal of computational neuroscience. 18 [PubMed]
Doi S, Kumagai S. (2005). Generation of very slow neuronal rhythms and chaos near the Hopf bifurcation in single neuron models. Journal of computational neuroscience. 19 [PubMed]