TY  - BOOK
AU  - SUNG Ying-Hsing
AU  -  SUN E-tu Zen Tr.
AU  -  SUN Shiou-Chuan Tr.
TI  - Tien-kung kai-wu :  Chinese technology in the seventeenth century
U1  - Fv41.K, K6 
PY  - 1966///
CY  - London
PB  - Pennsylvania State University Press   
ER  -