TY - JOUR AU - Demirbilek, O; Demirkan, H TI - Universal product design involving elderly users: a participatory design model JO - Applied Ergonomics VL - 35 PY - 2004 DO - 10.1016/j.apergo.2004.03.003 L3 - PubMed-ID: 15159201 SP - 361 EP - 370. ER -