A survey of the contents of existing national bibliographies /
Cheffins, Richard H. A.
Unesco.
International Federation of Library Associations.
International Congress on National Bibliographies(1977 :Paris, France)
Paris : Unesco,
1977.
(Conf.401/Col.4.)
At head of title: International Congress on National Bibliographies, Paris, 12-15 September 1977, organized by Unesco in collaboration with IFLA.
Bibliography, National