TY  - BOOK
AU  - Derry,Thomas Kingston
AU  - Williams,Trevor Illtyd
TI  - A short history of technology: from the earliest times to A. D. 1900 
SN  - 0486274721
U1  - 609 
PY  - 1991///
CY  - New York, NY.
PB  - Dover
KW  - Tecnología
KW  - Historia
ER  -