Applying Active Online- Tutoring to Motivate Online Learners in a Work Based Environment. - Franz Reichl; Jutta Jerlich; Eva Obermüller; Ilona Herbst (USAB, 2006)

Students' Attidudes Towards Novel Interfaces in E-Learning. - Margit Pohl; Ilona Herbst; Franz Reichl; Sylvia Wiltner (HCI (7), 2007)