1. 2005. Personal Communication.
2. . 1998. Hybrid vehicle turbine engine technology support. ASME Paper 98-GT-451.
3. The aerodynamic loading of radial and mixed-flow turbines
4. . 2000. A new type of gas turbine based-hybrid propulsion system-Part I: concept development, definition of mission parameters and preliminary sizing. Proceedings of the AES/ASME Winter Meeting, Orlando, FL, U.S.A.