1. R.F. Post, D.D. Ryutov, J.R. Smith, L.S. Tung, Research on ambient-temperature passive magnetic bearings at the Lawrence Livermore National Laboratory, Proceedings of the MAG'97 Industrial Conference and Exhibition on Magnetic Bearings, Alexandria, Virginia, USA, August 1997.
2. R.F. Post, D.D. Ryutov, Ambient-temperature passive magnetic bearings: theory and design equations, Proceedings of the 6th International Symposium on Magnetic Bearings, Cambridge, Massachusetts, USA, August 1998, pp. 109–122.
3. P.A. Basore, Passive Stabilization of Flywheel Magnetic Bearings, Master's Thesis, Massachusetts Institute of Technology, Cambridge, USA, 1980.
4. R.F. Post, D.A. Bender, Ambient-temperature passive magnetic bearings for flywheel energy storage systems, Proceedings of the 7th International Symposium on Magnetic Bearings, Zurich, Switzerland, August 2000.
5. R.F. Post, Stability issues in ambient-temperature passive magnetic bearing systems, NASA STI/Recon Technical Report, February 2000.