Stefan Mihai Sefu, Bogdan Tudor, Liliana Dumitrescu, Ionela Baciu. "RECYCLING AND REUSE OF HYDRAULIC COMPONENTS AND MATERIALS, COMPONENT PRINCIPLES OF THE CIRCULAR ECONOMY." SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, 2022, pp. 225-230. https://doi.org/10.5593/sgem2022/4.1/s18.29