© 2011. Pertti Saariluoma, Antti Hautamäki, Seppo Väyrynen, Minna Pärttö, Esa Kannisto. This is a research/review paper,
distributed under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License.
Ellei muuten mainita, aineiston lisenssi on © 2011. Pertti Saariluoma, Antti Hautamäki, Seppo Väyrynen, Minna Pärttö, Esa Kannisto. This is a research/review paper, distributed under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License.