TY  - BOOK
AU  - Khader Feroz Ali
TI  - Touchstone Effect :  The Impact of Pre - grant Opposition on Patents    
SN  - 9788180385444
U1  - Z2,2673, P9 
PY  - 2009///
CY  - Nagpur
PB  - Lexis Nexis Butterworths Wadhwa India     
KW  - PATENT
ER  -