TY  - BOOK
AU  - Headrick,Daniel R.
TI  - The tools of empire: technology and European imperialism in the nineteenth century 
SN  - 0195028317
U1  - 327.2 HEA 
PY  - 1981///
CY  - New York
PB  - Oxford University Press
KW  - Technology-HISTORY
KW  - Imperialism-HISTORY
ER  -