1. ISO Standard 14839-1. Mechanical vibration - Vibrations of rotating machinery equipped with active magnetic bearings - Part 1: Vocabulary, 05 2002.
2. ISO Standard 14839-2. Mechanical vibration - Vibrations of rotating machinery equipped with active magnetic bearings - Part 2: Eval. of vibration, 05 2004.
3. ISO Standard 14839-3. Mechanical vibration - Vibrations of rotating machinery equipped with active magnetic bearings - Part 3: Evaluation of stability margin, 01 2005.
4. ISO Standard 14839-4. Mechanical vibration - Vibrations of rotating machinery equipped with active magnetic bearings - Part 4: Technical guidelines, system design (Draft), 09 2006.
5. M. Abe. A study on fundamentals of mechanically controlled permanent magnet levitation system for maglev transportation vehicle. 11th intl. conf. on magnetically levitated vehicles and linear drives. In Magnetic Bearings. First Internat. Symposium on Magnetic Bearings. Springer-Verlag, Berlin, 1988.