D. Gerada, A. Mebarki, M. Shanel, N.L. Brown, and K.J. Bradley, “Design Considerations of High-Speed Induction Machines for High-Temperature Applications” in Proc. International Conference on Electrical Machines, ICEM '08, Sept. 2008, pp.1-6.
 D.Gerada, A.Mebarki, R.P. Mokhadkar, N.L. Brown and C.Gerada, “Design Issues of High-Speed Permanent Magnet Machines for High–Temperature Applications” in Proc. International Conference on Elec. Machines and Drives,
IEMDC’09, May 2009, pp.1036-1042.
 T. Noguchi, Y. Takata, Y. Yamashita, and S. Ibaraki, “A 160,000- r/min, 2.7kW Electric Drive of Supercharger for Automobiles” in Proc. Conf. on Power Electronics and Drives Systems, PEDS’05,vol. 2 , Nov. 2005, pp.1380-1385.
 G.J. Atkinson et al. “The Analysis of Losses in High-Power FaultTolerant Machines for Aerospace Applications”, IEEE Trans. Industry Applications, vol.42, no.5, pp.1162-1170, Sept. 2006.
 H.W. Cho, S.M. Jang, and S.K. Choi, “A Design Approach to Reduce Rotor Losses in High-Speed Permanent Magnet Machine for Turbo-Compressor”, IEEE Trans. Magnetics, vol.42, no.10, pp.3521-3523, Oct. 2006.
 N. Bianchi, S. Bolognani, and F. Luise, “Analysis and Design of a PM Brushless Motor for High-Speed Operations”, IEEE Trans. Energy Conversion, vol.20, no.3, pp.629-637, Sept. 2005.
 Borisavljevic, A. "Limits, Modeling and Design of High-Speed Permanent Magnet Machines, 2013 edition."
 Gerada, David, Abdeslam Mebarki, Neil L. Brown, Chris Gerada, Andrea Cavagnino, and Aldo Boglietti. "High-speed electrical machines: Technologies, trends, and developments." IEEE Transactions on Industrial Electronics 61, no. 6 (2014): 2946-2959.
 Takashi Okitsu, et al., “Evaluation of a 250 kW- 20,000min-1 High Speed PM mototr”, MEIDEN REVIEW, Series No. 172, 2018, No.1.
 Bell, K. Y., and S. Abel. "Optimization of WWTP aeration process upgrades for energy efficiency." Water Practice and Technology 6, no. 2 (2011): wpt2011024.
 Boglietti, A., A. Cavagnino, A. Tenconi, and S. Vaschetto. "Key design aspects of electrical machines for high-speed spindle applications." In IECON 2010-36th Annual Conference on IEEE Industrial Electronics Society, pp. 1735-1740. IEEE, 2010.
 Zwyssig, Christof, Johann W. Kolar, and Simon D. Round. "Megaspeed drive systems: Pushing beyond 1 million r/min." IEEE/ASME Transactions on mechatronics 14, no. 5 (2009): 564-574.
 Papini, Luca, David Gerada, and Chris Gerada. "Development and testing aspects of high speed induction machines." In Electrical Machines and Systems (ICEMS), 2016 19th International Conference on, pp. 1-6. IEEE, 2016.
 Zwyssig, C., M. Duerr, D. Hassler, and Johann W. Kolar. "An ultra-high-speed, 500000 rpm, 1 kW electrical drive system." In Power Conversion Conference-Nagoya, 2007. PCC'07, pp. 1577-1583. IEEE, 2007.
 M.D. Bogomolov, “Concept study of 20 MW highspeed permanent magnet synchronous motor for marine propulsion”, Msc Thesis, The department of Electrical Engineering of the Eindhoven University of Technology, 2013.
 Faisal, Mohammad, M. A. Hannan, Pin Jern Ker, Aini Hussain, M. Mansur, and F. Blaabjerg. "Review of energy storage system technologies in microgrid applications: Issues and challenges." IEEE Access (2018).
 Goldstein, Larry, Bruce Hedman, Dave Knowles, Steven I. Freedman, Richard Woods, and Tom Schweizer. "Gas-fired distributed energy resource technology characterizations." National Renewable Energy Laboratory, Report No. NREL/TP-620-34783 (2003).