TY  - BOOK
AU  - Boehm Klaus
AU  -  Silberston Aubrey
TI  - British patent system. 2 V
T2  - University of Cambridge, Department of Applied Economics Monographs; 13
U1  - Z3,2673,w, K7 
PY  - 1967///
CY  - Cambridge
PB  - University Press         
KW  - Great Britain Law
ER  -