TY  - BOOK
AU  - Zhang Xianyong
AU  - Ai Jia
TI  - The story of compass
SN  - 9787508541280
PY  - 2019///
CY  - Beijing
PB  - China Intercontinental Press
KW  - Compass
KW  - History
N1  - Illustrated history of Chinese science & technology
ER  -