(2016-02-20) Ketola, Tarmo; Mikonranta, L.; Laakso, Jouni; Mappes, Johanna; University of Jyväskylä - Ketola, Tarmo; University of Jyväskylä - Mikonranta, L.; University of Helsinki - Laakso, Jouni; University of Jyväskylä - Mappes, Johanna