1. Flitney, R.K. and Nau, B.S. (1986) A study of factors affecting mechanical seal performance. Proceedings of the Institution of Mechanical Engineers, Volume 200, No. 107.
2. Flitney, R.K. and Nau, B.S. Performance testing of mechanical seals. Proceedings of the 13th International Conference on Fluid Sealing, Brugge, Belgium, April 1992; BHR Group.
3. API 682. Shaft sealing systems for centrifugal and rotary pumps. American Petroleum Institute.
4. ISO/DIS 21049 Shaft sealing systems for centrifugal and rotary pumps.
5. Bloch, H.P. and Geitner, F.K. Practical Machinery Management for Process Plants, Volume 2, Machinery Failure Analysis and Troubleshooting, 1997; Gulf Publishing Company.