Zhang, Changsi     Physical Effect of "Yi, Qi, Li" Practicing of Taijiquan on Human Body [Текст] / Changsi Zhang, , Changnian. Zhang // Olympic sport and sport for all : proceedings of 17th International scientific congress ( Beijing, China, 2nd-6th, June, 2013) / International Association of Universities of Physical Culture and Sport, Capital University of Physical Education and Sports. — Beijing, 2013. — P. 101-102.