A comparative evaluation of the retrieval effectiveness of titles, Library of Congress subject headings and PRECIS strings for computer searching of UK MARC data
By: by Ann Henrietta Schabas.
Publisher: School of Library, Archive and Information Studies, University College London
Published: 1979
Place of publication: London, Eng
Language: eng
Number of pages: 286
Subjects: PRECIS (Indexing system) -- Evaluation.; Information retrieval.; Subject headings, Library of Congress.
Notes: Cover title.

Thesis - University of London.

Bibliography: p. 217-224.