1. Alonso G, Casati F, Kuno H, Machiraju V (2004) Web services: Concepts, architectures and applications. Springer, Berlin
2. Baumgartner P, Wise R (1999) Go downstream – the new profit imperative in manufacturing. Harv Bus Rev 77(5):133–141
3. Berners-Lee T, Fielding R, Irvine U, Masinter L (1998) Rfc2396: Uniform resource identifiers (uri): Generic syntax. Tech. rep., The Internet Society
4. Berry L, Parasuraman A (1991) Marketing services: Competing through quality. Free Press,New York
5. Carman J, Langeard E (1980) Growth strategies for service firms. Strat Manag J 1(1):7–22