Universal Interfaces to Multimedia Documents. - Helen Petrie; Wendy Fisher; Ine Langer; Gerhard Weber 002; Keith Gladstone; Cathy Rundle; Liesbeth Pyfers (ICMI, 2002)

Navigation in multimedia documents for print disabled readers. - Helen Petrie; Wendy Fisher; Anne-Marie O'Neill; Yaara di Segni; Keith Gladstone; Cathy Rundle; Liesbeth Pyfers; Olaf van den Eijnde; Gerhard Weber 002 (HCI (4), 2003)

Sign 2.0: ICT for Sign Language Users: Information Sharing, Interoperability, User-Centered Design and Collaboration - Introduction to the Special Thematic Session. - Liesbeth Pyfers (ICCHP (2), 2012)