Robuta

https://journal.fi/tribologia/issue/view/3259 Vol. 29 No. 1 (2010) | Tribologia - Finnish Journal of Tribology vol tribologia finnish journal tribology https://journal.fi/tribologia/issue/view/3255 Vol. 32 No. 1 (2014) | Tribologia - Finnish Journal of Tribology vol tribologia finnish journal tribology