Language e-Learning with Role-based Mobile Phones Games. - Heike Ott; Francisco J. Rodriguez Prados; Bernd Ludwig; Bettina Harriehausen-Mühlbauer (Leipziger Informatik-Tage, 2005)

Grafito Virtual. - Germán Arroyo Moreno; Francisco J. Rodriguez Prados (CEIG, 2009)