Copyright laws and theaties of the world: supplement 1987-1988.
Copyright laws and theaties of the world: supplement 1987-1988.
- Paris : UNESCO; USA :, 1990.
- 2v., pág. irrgular; 24 c.
OC 347.78 (100)=20 COP 1987-88 Vol.1.
OC 347.78 (100)=20 COP 1987-88 Vol.1.