TY  - BOOK
TI  - A history of technology & invention: progress through the ages 
PY  - 1969///
CY  - New York
PB  - Crown Publishers
KW  - Technology
KW  - History
N1  - Translation of Histoire g�n�rale des techniques; v. 1. The origins of technological civilization.--v. 2. The first stages of mechanization
ER  -