TY  - BOOK
AU  - Allen,Francis R.
TI  - Technology and social change
U1  - 609 
PY  - 1957///
CY  - New York
PB  - Appleton-Century-Crafts
KW  - Technology
KW  - Social aspects
KW  - Social change
KW  - Technology and civilization
KW  - Inventions
N1  - Includes index
ER  -