TY  - SER
AU  -  Song, Yingxing, 
TI  -  天工開物 
AV  - Q 
PY  - 2008///
PB  -  Project Gutenberg, 
KW  -  Technology -- China -- History
KW  -  Science -- China -- History
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/25273
ER  -