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| 080 | _aOC 347.78 (100) =20COP 1987-88 Vol.2. | ||
| 245 | 0 | 0 | _aCopyright laws and treaties of the world: supplement 1987-1988. |
| 260 | _aParis : UNESCO; Washington : The Bureau ofNational Affairs, Inc., 1990. | ||
| 300 | _a2v., pág. irregular; 24c | ||
| 690 | _aDerechos de autor- Legislacion | ||
| 690 | _aLegislacion- Derechos de autor | ||
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| 710 | 2 | _aThe Bureau of National Affairs, Inc. | |
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