TY  - BOOK
AU  - Williams,Trevor Illtyd
AU  - Derry,T.K.
TI  - A short history of twentieth-century technology: 1900-C. 1950 
SN  - 0198581599
PY  - 1982///
CY  - Oxford
PB  - Clarendon Press
KW  - Technology
KW  - History
KW  - 20th century
ER  -