books.google.com - This landmark joint publication between the National Air and Space Museum and the American Institute of Aeronautics and Astronautics chronicles the evolution of the small gas turbine engine through its comprehensive study of a major aerospace industry. Drawing on in-depth interviews with pioneers, current...http://books.google.com/books/about/The_history_of_North_American_small_gas.html?id=V0SnFt8JGokC&utm_source=gb-gplus-shareThe history of North American small gas turbine aircraft engines