Ergonomics in VDU Work: a randomized controlled trial. - R. Ketola; M. Häkkänen; Risto Toivonen; Esa-Pekka Takala; E. Viikari-Juntura (HCI (1), 1999)

Assessment of dose-response relationship between VDU work and discomfort. - Risto Toivonen; Esa-Pekka Takala (HCI (1), 1999)

Wireless weight measurement shoes. - Antti Konttila; Jouni Kaartinen; Johan Plomp; Risto Toivonen; Leila Hopsu (BMEI, 2011)