books.google.com - Now in paperback, this graduate-level textbook is an introduction to the representation theory of semi-simple Lie groups. As such, it will be suitable for research students in algebra and analysis, and for research mathematicians requiring a readable account of the topic. The author emphasizes the development...http://books.google.com/books/about/An_Introduction_to_Harmonic_Analysis_on.html?id=seycdRenNfoC&utm_source=gb-gplus-shareAn Introduction to Harmonic Analysis on Semisimple Lie Groups