Copyright laws and treaties of the world: supplement 1987-1988.
Copyright laws and treaties of the world: supplement 1987-1988.
- Paris : UNESCO; Washington : The Bureau ofNational Affairs, Inc., 1990.
- 2v., pág. irregular; 24c
OC 347.78 (100) =20COP 1987-88 Vol.2.
OC 347.78 (100) =20COP 1987-88 Vol.2.