TY  - BOOK
AU  - Taylor C T
AU  -  Silberston Z A
TI  - Economic impact of the patent system:  A study of t   
T2  - University of Cambridge, Applied Economics (Deptt of-), Monograph; 23
U1  - Z3,2673:X.N7, L3 
PY  - 1973///
CY  - Cambridge
PB  - Cambridge University Press        
KW  - Great Britain Law
ER  -