%0 Conference Paper %B World Congress on Medical Physics and Biomedical Engineering %D 2013 %T Instantaneous bispectral characterization of the autonomic nervous system through a point-process nonlinear model %A G. Valenza %A L. Citi %A E. P. Scilingo %A R. Barbieri %K Bioengineering %B World Congress on Medical Physics and Biomedical Engineering %I Springer Berlin Heidelberg %C May 26-31, 2012, Beijing, China %P 530–533