Sheng Keng Yun Walking Kung : breathing for health / Sheng Keng Yun. - York Beach, Me. : Samuel Weiser, 1997. - xxii, 138 p. : ill. ; 21 cm. Includes index. ISBN: 087728895X Subjects--Topical Terms: Qi gongBreathing exercisesFitness walking LC Class. No.: WB50 Dewey Class. No.: 613.7/1