books.google.ca - "Signals, Sound, and Sensation is of great importance to the hearing science community... If I were to give an advanced course, this is precisely the book I would recommend." (W. Dixon Ward, University of Minnesota) This is a unique book on the mathematics of signals written for hearing-science researchers....http://books.google.ca/books/about/Signals_Sound_and_Sensation.html?id=3N72rIoTHiEC&utm_source=gb-gplus-shareSignals, Sound, and Sensation