(2016-04-09) Kallio, Eva R.; Helle, Heikki; Koskela, Esa; Mappes, Tapio; Vapalahti, Olli; University of Jyväskylä - Kallio, Eva R.; University of Jyväskylä - Helle, Heikki; University of Jyväskylä - Koskela, Esa; University of Jyväskylä - Mappes, Tapio; University of Helsinki - Vapalahti, Olli