1. Experimental research on marine oil-lubricated stern tube bearing;Litwin;J. Eng. Tribol.,2019
2. Marine propeller shaft bearings under low-speed conditions: water vs. oil lubrication;Litwin;Tribol. Trans.,2019
3. U.S. Environmental Protection Agency (EPA), National Pollutant Discharge Elimination System (NPDES) Vessel General Permit (VGP) and Small Vessel General Permit (sVGP), vol. 502, 2013.
4. The deployment of environmentally acceptable lubricants and their management, based on actual experience over the last 15 years;Vickers;J. JIME,2013
5. Environmentally acceptable lubricants show reduced capabilities;No;DNV GL. Tech. Regul. NEWS,2019