TY  - BOOK
AU  - Burrell, TD 
TI  - South African Patent Law and Practice / 
SN  - 409013544
U1  - 346.47 BUR  
PY  - 1972///
CY  - Durban : 
PB  - Butterworths, 
KW  - Legal practice
KW  - Law
ER  -