lecture01:
Introduction
http://internal.maths.adelaide.edu.au/people/mroughan/Lecture_notes/Transform_methods/
http://www.maths.adelaide.edu.au/courses/2006/Honours/APPMTH4043.html
http://www.maths.adelaide.edu.au/courses/2006/Postgraduate/APPMTH7011.html
http://www.dolmetsch.com/poshistory.htm
http://www.technologyreview.com/Infotech/19462/page1/
http://ccrma.stanford.edu/~jos/SimpleStrings/Plucked_Struck_String_Pitch_Estimation.html
www.last.fm
http://patft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=/netahtml/PTO/search-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=7,013,301.PN.&OS=PN/7,013,301&RS=PN/7,013,301
http://swpat.ffii.org/pikta/txt/ep/1403/783/
http://eivind.imm.dtu.dk/staff/ptoft/Radon/Radon.html
http://en.wikipedia.org/wiki/Pygmalion_(mythology)