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او در مقاله \cite{ref1} با اشاره به برخی نواقص موجود در روشهای پیشین \cite{ref2, ref3,ref4} یک دیدگاه بهتری را ارائه می کند.



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\begin{thebibliography}{110} % assumes less than 100 references
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\bibitem {ref1} {\lr{ J. T. Tou and R. C. Gonzalez, Pattern recognition principles, Addison-Wesley, (1981).}}
\bibitem {ref2} {\lr{ J. R. Wolpaw, N. Birbaumer, D. J. McFarland, G. Pfurtscheller, and T. M. Vaughan, Brain-computer interfaces for communication and control, Clinical Neurophysiology, 113 (2002), 767-791.}}
\bibitem {ref3} {\lr{ R. O. Duda, P. E. Hart, and D. G. Stork, Pattern classification, Wiley New York, (2001).}}
\bibitem {ref4} {\lr{ A. Nigrin, Neural networks for pattern recognition, The MIT press, (1993).}}

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