TY  - GEN
ED  - The Smithsonian Institution
ED  - Smithsonian Institution.
TI  - The Smithsonian book of invention
SN  - 0895990024 :
AV  - T15 
U1  - 609 
PY  - 1978///
CY  - New York
PB  - distributed by W. W. Norton
KW  - Inventions
KW  - Technology
KW  - History
N1  - Includes index
ER  -