TY  - BOOK
AU  - Library of Congress
TI  - Annual report of the Librarian of Congress
T2  - Annual report of the Librarian of Congress
PY  - 1971///
CY  - Washington - EEUU
PB  - Library of Congress
KW  - Bibliotecologia
KW  - Latinoamerica
KW  - Informacion
KW  - Documentacion
KW  - Estados Unidos
ER  -