books.google.com - Over the past twenty-five years K-theory has become an integrated part of the study of C*-algebras. This book gives a very elementary introduction to this interesting and rapidly growing area of mathematics. The authors cover the basic properties of the functors K and K1 and their interrelationship....http://books.google.com/books/about/An_Introduction_to_K_Theory_for_C_Algebr.html?id=SMiB8VIB5UIC&utm_source=gb-gplus-shareAn Introduction to K-Theory for C*-Algebras