Zhongguo lao nian ren kou yan jiu
By: zhu bian Zhang Chunyuan ; fu zhu bian Gu Qingzhong ... [et al.].
Contributors: Zhang, Chunyuan.
Edition: Di 1 ban
Publisher: Beijing da xue chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1991
Place of publication: Beijing
Language: chi
Number of pages: 341
Subjects: Aged -- China.
Notes: Includes bibliographical references.