Hu, M., Finni, T., Alen, M., Wang, J., Zou, L., Zhou, W., & Cheng, S. (2006). Myoelectrical manifestations of quadriceps fatigue during dynamic exercise differ in mono- and bi-articular muscles. Biology of sport, 23(4), S. 327-339. http://biolsport.com/fulltxt.php?ICID=890796

Hu, M., T. Finni, M. Alen, J. Wang, L. Zou, W. Zhou, and S. Cheng. "Myoelectrical Manifestations of Quadriceps Fatigue During Dynamic Exercise Differ in Mono- and Bi-articular Muscles." Biology of Sport 23, no. 4 (2006): S. 327-339.

Hu, M., et al. "Myoelectrical Manifestations of Quadriceps Fatigue During Dynamic Exercise Differ in Mono- and Bi-articular Muscles." Biology of Sport 23.4 (2006): S. 327-339.