1. Experiences and failures from two decades in embedded system design
2. David Benyon. 2013. Designing Interactive Systems: Acomprehensive guide to HCI UX and interaction design. Pearson Education Limited.https://books.google.dk/books?id=UYgWDQAAQBAJ David Benyon. 2013. Designing Interactive Systems: Acomprehensive guide to HCI UX and interaction design. Pearson Education Limited.https://books.google.dk/books?id=UYgWDQAAQBAJ
3. Fail whaling
4. Elements of a Theory of Design Artefacts: a contribution to critical systems developmentre search;Bertelsen Olav;PhD Thesis. DAIMI Report Series,1998