TY  - BOOK
AU  - Needham,Joseph
AU  - Wang Ling,
AU  - Price,Derek J.de Solla
TI  - Heavenly clockwork: the great astronomical clocks of medieval China 
SN  - 0521322766 :
U1  - 529.78 
PY  - 1986///
CY  - Cambridge
PB  - The University Press
KW  - Astronomical clocks
KW  - China
KW  - History
KW  - Astronomy, Medieval
KW  - Instruments
N1  - Includes bibliographical references and index
ER  -