1. Continuously Variable Transmissions for Passenger Cars. SAE special publication, SAE/PT-87/30, 1987
2. CVTs driving the future of transmission technology;Paul,1999
3. Traction drive CVT up to date;Machida,1999
4. High performance traction drive CVT on the compact car for the 21st century;Machida,1998
5. The Autark hybrid: a universal power train concept for passenger cars;Hohn,1994