TY  - GEN
AU  - Derry, T.K
AU  - Williams, Trever I
TI  - A short history of technology from the earliest times to a.d.1900
SN  - 0198812310
U1  - 609 
PY  - 1979///
CY  - Oxford
PB  - Oxford U.P.
KW  - TECHNOLOGY
ER  -