"Kivel\u00E4, S.-L." . "Py\u00F6r\u00E4l\u00E4, S." . "Sankari, S." . "Orro, T." . "H\u00E4rtel, H." . "Neuvonen, E." . "Aho, P." . "Tanskanen, R." . "Saloniemi, H." . "Soveri, T." . "Nikunen, S." .