Zhengcai, Liu The mystery of longevity / Liu Zhengcai - Beijing : Foriegn Language Press, c1990. - 192 p. : ill. ; 22 cm. ISBN: 0835124150 LCCN: Subjects--Topical Terms: mystery of longevity mystery longevity LC Class. No.: PZ7 / .J2433 1990 Dewey Class. No.: 823.941 / Z41m