Kulmala, Ilpo
Zwęgliński, Tomasz
Smolarkiewicz, Marcin
Salmela, Hannu
Kalliohaka, Tapio
Taipale, Aimo
Kataja, Jari
Mäkipää, Vesa
Article History
Received: 15 September 2019
Revised: 20 January 2020
Accepted: 12 February 2020
First Online: 20 March 2020