SEITV - Interactive Multimedia Leisure/Educational Services for Digital TV in MHP. - Julián Flórez 001; Igor García; Iker Aizpurua; Céline Paloc; Alejandro Ugarte; Igor Jainaga; Jesús Colet; Xabier Zubiaur (ICEC, 2004)

Using Virtual Characters as TV Presenters. - David Oyarzun; Maider Lehr; Amalia Ortiz; Maria del Puy Carretero; Alejandro Ugarte; Karmelo Vivanco; Alejandro García-Alonso (Edutainment, 2007)

User Interfaces Based on 3D Avatars for Interactive Television. - Alex Ugarte; Igor García; Amalia Ortiz; David Oyarzun (EuroITV, 2007)