TY  - BOOK
AU  - Zhang,Shunong
TI  - Yun qu gong cheng
AV  - TC745 .C45
PY  - 1952///
CY  - Shanghai
PB  - Zhongguo ke xue tu shu i qi gong si
KW  - Canals
N1  - At head of title: Zhuan ke xue xiao yong shu
ER  -