TY  - BOOK
T1  - The Role of the Library of Congress in the International Exchange of Official Publications: a Brief History
A1  - Stevens, Robert D.
PP  - Washington
PB  - Library of Congress
YR  - 1953
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.151282
OP  - 85
ER  -