TY  - BOOK
AU  - Liu Naihe
AU  - 劉乃和
AU  - Song Yanshen
AU  - 宋衍申
TI  - Zi Zhi tong jian cong lun
T2  - Zhong-guo gu dai shi xue ming zhu yan jiu
PY  - 1985///
KW  - History -- Zi zhi tong jian
ER  -