Problems and Benefits of Requirements Gathering With Focus Groups: A Case Study. - Klaus Kuhn 002 (Int. J. Hum. Comput. Interact., 2000)

Designing a Telephone-Based Interface for a Home Automation System. - Nina Sandweg; Marc Hassenzahl; Klaus Kuhn 002 (Int. J. Hum. Comput. Interact., 2000)

Case study: designing universal access for intelligent household facilities. - Heidi Krömker; Klaus Kuhn 002; Nina Sandweg (HCI, 2001)