Beyer, Monica; Brown, Gareth; Gahagan, Michael; Higuchi, Tomoya; Hunt, Gregory; Huston, Michael; Jayne, Doug; McFadden, Chris; Newcomb, Timothy; Patterson, Suzanne; Prengaman, Christopher; Shamszad, Mariam (12 December 2019). "Lubricant Concepts for Electrified Vehicle Transmissions and Axles". Tribology Online. Vol. 14. pp. 428–437. doi:10.2474/trol.14.428. S2CID210160024. Archived from the original on 17 February 2020. Retrieved 17 February 2020.
Donnet, C.; Erdemir, A. (2004). "Historical developments and new trends in tribological and solid lubricant coatings". Surface and Coatings Technology. 180–181: 76–84. doi:10.1016/j.surfcoat.2003.10.022.
Salimon, Jumat; Salih, Nadia; Yousif, Emad (2010). "Biolubricants: raw materials, chemical modifications and environmental benefits". European Journal of Lipid Science and Technology. 112 (5): 519–530. doi:10.1002/ejlt.200900205.