1. Christian Goossens: Efficiency and Safety strategy Of a CK2 with Nissan controller Eindhoven, 2004 6. :21~23.
2. Micklem J, D . Longmore, K. Burrows: Belt torque loss in a steel V-belt continuously variable transmissions Proc Inst n Mech-Engrs , 1994 , 208 (D2) : 91 - 97.
3. N S Chen, W Liu, D Z Guo, D Z Zhang, Feng-he Zhang: Experimental Study of Transmission Efficiency for Metal Pushing V-Belt Type CVT, Journal of Northeastern University(Natural Science) 2000. 21(4)394~396.
4. J Liao, D Y Sun, D T Qin: Efficiency Analysis of Steel Pushing V-belt Continuously Variable Transmission in Theory, Journal of Chongqing University(Natural Science Edition) 2003. 3(3) 12~15.
5. L. Mangialardi, G. Mantriota: Power flows and efficiency in infinitely variable transmissions, Mechanism and Machine Theory 34(1999)973-994.