TY  - BOOK
AU  - Gilfillan, S. C.
TI  - Sociology of invention
U1  - 745.401 
PY  - 1970///
CY  - Massachusetts,Cambridge etc
PB  - MIT Press
KW  -  
KW  - Geographic information systems -- Applications -- Congresses
KW  - Inventions
KW  - Ships
KW  - Transportation engineering
N1  - ENG
ER  -