TY  - BOOK
AU  - Cornelli, Francesca
AU  - Schankerman, Mark
ED  - Economics of Industry Group (London)
TI  - Optimal patent renewals
U1  - 338.09 21st
PY  - 1996///
CY  - London
PB  - School of Economics
KW  - Industrialization-Great Britain; Industrial productivity; Patent laws and legislation; Economics-Great Britain
N1  - EI/13
ER  -