Mastering Spring MVC: http://www.javaworld.com/javaworld/jw-04-2009/jw-04-springmvc.html?page=2
Unit testing your Spring-MVC applications: http://java.dzone.com/blogs/mrjohnsmart/2008/02/03/unit-testing-your-spring-mvc-a
Spring Framework Chapter 15. Integrating with other web frameworks: http://static.springframework.org/spring/docs/1.2.9/reference/webintegration.html
What do Spring releases contain?: http://www.techq.com/source/code/Spring/2.5.6/index.html