On the parametric stability of a central pattern generator. - Seth Wolpert; W. Otto Friesen (Neurocomputing, 2000)

Role of feedback loops in the scorpion circadian system. - W. Otto Friesen; Gerta Fleissner; Günther Fleissner (Neurocomputing, 2001)

Systems-level modeling of neuronal circuits for leech swimming. - Min Zheng; W. Otto Friesen; Tetsuya Iwasaki (J. Comput. Neurosci., 2007)

Multivariable harmonic balance analysis of the neuronal oscillator for leech swimming. - Zhiyong Chen 001; Min Zheng; W. Otto Friesen; Tetsuya Iwasaki (J. Comput. Neurosci., 2008)