1. Flitney, R.K. ‘Factors affecting reciprocating seal performance’, BHR Group Conference Series Publication No 2, April 1993.
2. Flitney, R.K. and Nau, B.S. ‘Effects of surface finish on reciprocating seal performance’, BHR Group Conference Series Publication No 9, April 1994.
3. Hobson, R.M. ‘Leakage from reciprocating hydraulic seals due to solid contamination’, BHR Group Conference Series Publication No 26, September 1997.
4. ‘An historical review of studies of polymeric seals in reciprocating hydraulic systems’;Nau;Proc. I. Mech. E. Part J – Journal of Engineering Tribology,1999
5. Swanson, R. and Duke, T. ‘An experimental analysis of rod seal leakage’, SAE Technical Paper Series 900929, April 1990.