1. Furer, O.: Le rôle stratégique des services autour des produits. In: Revue Française de Gestion, mars-avril-mai, pp. 98–108 (1997)
2. Baines, T.S., et al.: State-of-the-art in product-service systems. In: Proceedings of the Institution of Mechanical Engineers. Part B. Journal of engineering manufacture, vol. 221(10), pp. 1543–1552. Mechanical Engineering Publications, London (2007)
3. Alix, T., Touzy, W., Vallespir, B.: Product-service value analysis: two complementary points of view. In: Proc of the 13th IFAC Symposium on Information Control Problems in Manufacturing (2009)
4. Berry, L.L.: Relationship marketing of services – growing interest, emerging perspectives. Journal of the Academy of Marketing Science 23(4), 236–245 (1995)
5. Fisk, R.P., Grove, S.J., John, J.: Services Marketing Self-Portraits: Introspections, Reflections, and Glimpses from the Experts. American Marketing Association, Chicago (2000)