Aounallah S, Loucif K, Khennafi-Benghalem N. Retraction Note: Friction and wear of polystyrene crystal sliding against steel 100Cr6 in unlubricated contact (PCSS: (2022), 23(2), (293-301), https://doi.org/10.15330/pcss.23.2.293-301) . Phys.Chem.Sol.State [Internet]. 2022 May 28 [cited 2024 Dec. 20];23(2):293-301. Available from: https://journals.pnu.edu.ua/index.php/pcss/article/view/5392