Phase description of the Huber-Braun neuron model for mammalian cold receptors J.A. Freund, C. Finke, H.A. Braun and U. Feudel Eur. Phys. J. Special Topics, 222 10 (2013) 2677-2686 Published online: 28 October 2013 DOI: 10.1140/epjst/e2013-02047-2