- Evaluation of mechanical properties and residual stresses of hard PVD coatingsGregor, Andre; Lille, Harri; Kõo, Jakub; Sergejev, Fjodor; Traksmaa, Rainer; Sivitski, Alina; Kulu, Priit18th International Baltic Conference : Engineering Materials & Tribology : BALTMATTRIB-2009 : October 22-23, 2009, Tallinn, Estonia : abstracts2009 / p. 34