1. 2David C. Aronstein, Michael J. Hirschberg, Albert C. Piccirillo, Advanced Tactial Fighter to F-22 Raptor: Origins of the 21st Century Air Dominance Fighter, AIAA Education Series, AIAA, New York, 1998, pp.207, 222.
2. 5Simmons R J. "Design and control of a variable geometry turbofan with an independently modulated third stream," Ph.D. Dissertation,The Ohio State University, 2009.