1. Abramovici M., Schulte S. (2005) Lifecycle Management von Produkt-Service-Systemen (PSS) für einen maximierten Kundennutzen. In: Grote K.-H. (ed.) Tagungsband 3. Gemeinsames Kolloquium Konstruktionstechnik 2005 am 16. und 17.06.2005 im Herrenkrug Parkhotel Magdeburg. Shaker, pp. 1–11
2. Anthonysamy P., Rashid A., Rummler A. (2011) Taming Unbounded Variability in Service Engineering. In: ai]Muehlen M., Su J., Aalst W., Mylopoulos J., Rosemann M., Shaw M. J., Szyperski C. (eds.) Business Process Management Workshops. LNBIP Vol. 66. Springer, Berlin, pp. 615–619
http://dx.doi.org/10.1007/978-3-642-20511-8_56
3. Baines T. S., Lightfoot H. W., Evans S, Neely A, Greenough R, Peppard J, Roy R, Shehab E, Braganza A, Tiwari A, Alcock J. R., Angus J. P., Bastl M, Cousens A, Irving P, Johnson M, Kingston J, Lockett H, Martinez V, Michele P, Tranfeld D, Walton I. M., Wilson H (2007) State-of-the-art in product-service systems. In: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 221(10), pp. 1543–1552
4. Barros A., Kylau U., Oberle D. (2011) Unified Service Description Language 3.0 (USDL) Overview. SAP Research.
http://www.internet-of-services.de/index.php?id=570
5. Batory D. (2005) Feature Models, Grammars, and Propositional Formulas. In: Obbink H., Pohl K. (eds.) Software Product Lines. LNCS Vol. 3714. Springer, Berlin, pp. 7–20