TY  - GEN
AU  - Oliver Murra,Katrine
ED  - Unesco. París,
TI  - Notes on the development of the concept of current complete national bibliography..
U1  - 010.9 21
PY  - 1950///
CY  - Washington
PB  - Library of Congress Bibliographical Survey
KW  - SERVICIOS DE BIBLIOGRAFÍAS
KW  - LEMB
ER  -