TY  - BOOK
AU  - Yu Yan
AU  - (宋) 俞琰
TI  - Zhou yi ji shuo . Du-yi ju-yao
T2  - Si ku yi xue cong kan
SN  - 7532507165
PY  - 1990///
KW  - Philosophy -- Classics -- Yi jing
KW  - Philosophy -- Classics -- Zhouyi
ER  -