International Congress on National Bibliographies, Paris, 12-15 September 1977 : final report /
Unesco.General Information Programme(Paris).
International Federation of Library Associations and Institutions.
International Congress on National Bibliographies(1977 :Paris)
Paris : Unesco,
1978.
Organized by Unesco, within the framework of its General Information Programme in collaboration with IFLA.
(PGI-77/CONF.401/COL.11).
Gestencilde uitg.