Title: Tan suo jing ji fan rong
Description: Ben shu ji he le jing ji zeng zhang ling yu zui jie chu de jing ji xue jia de 13 pian zhu zuo, Jie shi le wo men zhei ge shi dai suo chu xian de yi xie zui yin ren zhu mu de zeng zhang zhi mi.
Subjects: Jing ji zeng zhang, Yan jiu