Helminen, Pia (in press) Disabled Persons as Lead Users for Silver Market Customers. In Kohlbacher & Herstatt (Eds) The Silver Market Phenomenon: Marketing and Innovation in the Aging Society. Springer. Helminen, Pia; Hämäläinen, Matti M.; Mäkinen, Samuli (2010) Redefining User Perception – A Method for Fully Capturing the User Perspective of a Product Concept. ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference DETC2010. August 15–18, 2010, Montreal, Quebec, Canada. Tuulenmäki, Anssi; Helminen Pia (2009) Att hitta "lead users" – eller pilotanvändare. Design Research Journal (2), SVID Stiftelsen Svensk Industridesign. Helminen, Pia; Ainoa, Juha (2009) User Innovation Toolkits in Product Development: Qualitative Study in Shopping Center Design. International Conference on Engineering Design, ICED'09, 24–27 August 2009, Stanford University, Stanford, CA, USA. Tuulenmäki, Anssi; Helminen, Pia (2009) Lead Users of Positional Value. 8th European Academy Of Design Conference, 1–3 April 2009, The Robert Gordon University, Aberdeen, Scotland. Helminen, Pia (2008) Disabled Persons as Lead Users for Silver Market Customers. In Kohlbacher & Herstatt (Eds) The Silver Market Phenomenon: Business Opportunities in an Era of Demographic Change. pp. 85–102. Springer. Hölttä-Otto, Katja; Helminen, Pia; Ekman, Kalevi; Roemer, Thomas (2007) A pilot program teaching dispersed product development in collaboration with an international university. ASEE Annual Conference. Honolulu, HI, USA, June 24–27. Hannukainen, Pia; Hölttä-Otto, Katja (2006) Identifying Customer Needs – Disabled Persons as Lead Users. ASME design engineering technical conferences DETC 2006. Design Theory and Methodology (DTM). Philadelphia, PA, USA, September 10–13. BEST PAPER AWARD. Contact me for a pdf!