1. TMT Observatory Corporation. Thirty meter telescope – construction proposal. document TMT.PMO.MGT.07.009, Pasadena, CA; 2007. .
2. TMT Observatory Corporation. Thirty meter telescope – observatory requirements document. Document TMT.SEN.DRD.05.001.CCR17, Pasadena, CA; 2007. .
3. Leonardi F, Venturini M, Vismara A. Design and optimization of a very high torque, low ripple, low cogging PM motors for direct driving optical telescope. In: Proceedings of the 1994 IEEE Industry Applications Society Annual Meeting; 1994. p. 272–8.
4. Venturini M, Vismara A. Design and test of very large diameter, brushless permanent magnet torque motors for the very large telescope. In: Proceedings of the powersystems world conference; 1996.
5. Handbook of electric motors;Toliyat,2004