1. Agri, J., Andersson, E., Ashkin, A., Söderström, J. (1999) Selling Services: A study of environmental and economic effects of selling functions. CPM report No.6.
2. Alonso-Rasgado, T., Thompson, G., Elfström, B.-O. (2004) The design of functional (total care) products. J. Eng. Des., 15(6), 515-540.
3. Alonso-Rasgado, T., Thompson, G. (2006) A rapid design process for Total Care Product creation. J. of Eng. Des., 17(6): 509-531.
4. Amezquita, T., Hammond, R., Bras, B. (1995) Characterizing the remanufacturability of engineering systems. In: ASME Advances in Design Automation Conference, DE-vol. 82. ASME, Boston, Massachusetts. p. 271-278.
5. Aurich, J. C., Fuchs, C., Wagenknecht, C. (2006) Life-cycle oriented design of technical Product-Service Systems, J. of Clean. Prod., 14(17): 1480-1494.