@article{al-samarai_al-douri_2018,  title={Lubricated Conditions Imposed on Coating Multi-layer on Wear Resistance Under Cr<sub>2</sub>O<sub>3</sub> Effect},  volume={21},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2017-0938},  DOI={10.1590/1980-5373-MR-2017-0938},  number={4},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Al-Samarai, Riyadh A. and Al-Douri, Y.},  year={2018},  pages={e20170938} }