TY  - BOOK
AU  - Needham, Joseph
A2  - Needham, Joseph
PY  - 1986
DA  - 1986//
TI  - Military technology: the gunpowder epic
T3  - Science and civilisation in China. Vol. 5, Pt. 7
PB  - Cambridge Univ. Press
CY  - Cambridge [u.a.]
SN  - 0521303583
LA  - English
N1  - with the collaboration of Ho Ping-Yü; Gwei-Djen Lu and Wang Ling
ID  - 123174767
ER  -