Delivering Personalized Local Services. - László Márai; Javier Lafuente; Gábor Márton; Timo Perälä; Mikko Tarkiainen (Mobile HCI, 2004)

Interactive Urban Play to Encourage Active Mobility: Usability Study of a Web-Based Augmented Reality Application. - Michael Oduor; Timo Perälä (Frontiers Comput. Sci., 2021)