TY  - BOOK
AU  - Mansfield,Edwin
TI  - Industrial research and technological innovation: an econometric analysis 
AV  - HC110 .T4M32 1968
U1  - 338.0973 
PY  - 1968///
CY  - New York
PB  - W. W. Norton
KW  - Technological innovations
KW  - United_states. Research Industrial
KW  - United_states. Econometrics
ER  -