URLS

http://msdn.microsoft.com/en-us/library/bb549151.aspx (Func<T, TResult> Delegate)
http://www.intertech.com/Blog/Post/Using-Lambda-Expressions-for-Predicate-Func-and-Action-Arguments-in-Generic-List-Methods.aspx(Using Lambda Expressions for Predicate, Func and Action Arguments in Generic List Methods)
http://www.i-think22.net/archives/2009/02/21/an-introduction-to-lambda-expressions-in-linq/ (An Introduction to Lambda Expressions in LINQ
)