1. ‘Wiped thrust bearings: a simple solution to a complex problem’, Hydro Review, April 1987, 56–57
2. and , Synthetic Lubricants, Reinhold Publishing Corporation, 1962, p. 186.
3. Synthetic Lubricants, p. 174.
4. Synthetic Lubricants, p. 177.
5. Synthetic Lubricants, p. 39.