TY - GEN A1 - Abu-Assab, Samah A1 - Baier, Daniel A1 - Kühne, Mirko T1 - Preference Analysis and Product Design in Markets for Elderly People: A Comparison of Methods and Approaches KW - Preference analysis KW - Conjoint analysis KW - QFD KW - Elderly people Y1 - 2010 ER -