TY  - BOOK
AU  - Derry T. K.
AU  - Trevor I. Williams
ED  - 
TI  - Short History of Technology : From the Earliest Times To A.D.1900
U1  - 609 Der/Sho 
PY  - 1960///
CY  - London
PB  - Oxford University Press
KW  - Historical Geography - Technology
N1  - B
ER  -