VOCAL: A frame work for test identification and deployment. - Duncan L. Pemberton; Ian Sommerville (IEE Proc. Softw. Eng., 1997)

The VOCAL test methodology. - Duncan L. Pemberton (1998)

The London Travel Demonstrator. - Anthony Steed; Emmanuel Frécon; Anneli Avatare Nöu; Duncan L. Pemberton; Gareth Smith (VRST, 1999)

DEBORA: Developing an Interface to Support Collaboration in a Digital Library. - David M. Nichols; Duncan L. Pemberton; Salah Dalhoumi; Omar Larouk; Claire Belisle; Michael B. Twidale (ECDL, 2000)