Shearer, Benjamin F. Finding the source : : a thesaurus-index to the reference collection / [electronic resource] / compiled by Benjamin F. Shearer and Barbara Smith Shearer.. — Westport, Conn. : : Greenwood Press,, 1981.. — xviii, 545 p. ; 25 cm.
031322563X (lib. bdg.) 9780313225635 (lib. bdg.)
81006800
Reference services (Libraries) Information retrieval. Subject headings. Indexes. Bibliothèques--Services de référence. Recherche de l'information. Thésaurus. Index.