1. Environmentally considerate ester lubricants for the automotive and engineering industries;Randles;J. Synth. Lubr.,1992
2. R. Mortier, Chemistry and Tech of Lubricants, 2010.
3. Baumann, Determination of Anaerobic Biodegradability With a Simple Continuous Fixed-Bed Reactor 31 (1997) 1513–1517.
4. B. De Wilde, N. Mortier, D. Briassoulis, M. Babou, A. Mistriotis, Knowledge based bio-based products’ report on current relevant biodegradation and ecotoxicity standards public 32 (2013).
5. International Standard, ISO, 9439, 1999, 1999.