TY  - GEN
T1  - Copyright in historical perspective /
AU  - Patterson, Lyman Ray,
CN  - K1420.5
CN  - Z589
ID  - 14911
KW  - Derechos de autor
KW  - Copyright.
KW  - Patents.
KW  - COPYRIGHT : HISTORY
SN  - 9780826513731
TI  - Copyright in historical perspective /
ER  -