TY  - BOOK
AU  - Ladas Stephen P.
TI  - Patents, trademarks and related rights :  National and international protection
U1  - X:89C, L5.1-.3 
PY  - 1975///
CY  - USA
PB  - Stephen Pericles Ladas      
KW  -  ECONOMICS
KW  - MANAGEMENT
ER  -