http://www.analog.com/library/analogdialogue/archives/43-09/EDCh%208%20filter.pdf
http://www.analog.com/static/imported-files/tech_docs/dsp_book_Ch20.pdf
http://www.ece.uah.edu/courses/ee426/Chebyshev.pdf
http://inst.eecs.berkeley.edu/~ee247/fa10/files07/lectures/L2_2_f10n.pdf
http://eelinux.ee.usm.maine.edu/courses/ele486/docs/Chebyshev%20II.pdf
http://www.lumerink.com/courses/ECE697A/docs/Matlab%20Filter%20Design%20and%20Implementation.pdf
http://www.gutenberg.org/files/31076/31076-pdf.pdf
http://books.google.com/books?id=1P20oORtnRwC&printsec=frontcover#v=onepage&q&f=false
http://books.google.com/books?id=Wkg6RXYMwcsC&printsec=frontcover#v=onepage&q&f=false
http://books.google.com/books?id=yGqKl06Ew3EC&printsec=frontcover#v=onepage&q&f=false