TY  - BOOK
AU  - TAYLOR C T
AU  -  SILBERSTON Z A
TI  - Economic impact of the patent system:  A study of the British experience   
SN  - 0521202558
U1  - X:(Z56,2673), L3 
PY  - 1973///
CY  - Cambridge
PB  - Cambridge University Press        
ER  -