1. Heineman, G., Councill, W.: Component-based Software Engineering, Putting the Pieces Together. Addision - Wessley, London (2001)
2. Garlan, D., Monroe, R., Wile, D.: Acme: Architectural Description of Component-Based Systems. In: Leavens, G.T., Sitaraman, M. (eds.) Foundations of Component-Based Systems, pp. 47–68. Cambridge University Press, Cambridge (2000)
3. Cho, I., McGregor, J.D.: A Formal Approach to Specifying and Testing the Interoperation between Components. In: 38th Annual ACM Southeast Conference (2000)
4. Web Services Description Language(WSDL) 1.1 W3C Note, World Wide Web Consortium (March 2001),
http://www.w3.org/TR/wsdl
5. Gottschalk, K., Graham, S., Kreger, H., Snell, J.: Introduction to Web Services Architecture. IBM Systems Journal 41(2) (2002)