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  • T. Bell, "Source Separation and Learning Non-orthogonal Bases for Signals Using Independent Component Analysis," http://www.clsp.jhu.edu/ws98/presentations/workshop/bell/abstract.html, presented at the 1998 Summer Workshop on Language Engineering, Center for Language and Speech Processing, John Hopkins University, Baltimore, Maryland, USA, July 1998.

  • A. J. Bell and T. J. Sejnowski, "An Information-Maximization Approach to Blind Separation and Blind Deconvolution," Technical Report No. INC-9501, Institute for Neural Computing, University of California at San Diego, San Diego, California, USA, February 1995.

  • A. Hyvärinen. "Fast and Robust Fixed-Point Algorithms for Independent Component Analysis," Publication for A. Hyvärinen in Helsinki University of Technology, 1999.