1. Tukker, A., Tischner, U. (2005): New Business for Old Europe– Product-Service Development, Competiveness andSustainability, Greanleaf Publishing, Sheffield, UK.
2. Uhlmann, E., Bochnig, H., Stelzer, C. (2010): Partiallyautomated IT support for planning processes in IPS²development, In: Proceedings of the 2nd CIRP IPS²Conference (CIRP Industrial Product-Service Systems),pp. 399 - 405.
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., Tranfield, D., Walton, I. M., Wilson, H. (2007):State-of-the-art in product-service systems, Proceedings ofthe Institution of Mechanical Engineers, Part B: Journal ofEngineering Manufacture, Professional EngineeringPublishing, Volume 221, Number 10 / 2007, pp. 1543 – 1552.
4. Meier, H., Uhlmann, E., Krug, C. M., Völker, O., Geisert, C.,Stelzer, C. (2009): Dynamic IPS² Networks and OperationBased on Software Agents, In: Proceedings of the 1st CIRPIPS² Conference (CIRP Industrial Product-Service Systems),1-2 April 2009, pp. 305 – 310.
5. Tan, A. R., McAloone, T. C. (2006): Characteristics ofstrategies in Product/Service-System Development,International Design Conference – Design, May 15-18,Dubrovnik, Croatia.