Stefan Harmeling Alexander Ziehe Motoaki Kawanabe Klaus-Robert Müller Kernel Feature Spaces and Nonlinear Blind Souce Separation. 761-768 2001 conf/nips/2001 NIPS http://www-2.cs.cmu.edu/Groups/NIPS/NIPS2001/papers/psgz/AA34.ps.gz db/conf/nips/nips2001.html#HarmelingZKM01