When the leak is weak – how the first-passage statistics of a biased random walk can approximate the ISI statistics of an adapting neuronT. Schwalger, D. Miklody and B. LindnerEur. Phys. J. Special Topics, 222 10 (2013) 2655-2666DOI: https://doi.org/10.1140/epjst/e2013-02045-4