Retrieval by reformulation in two library catalogs
Subtitle: toward a cognitive model of searching behavior
By: by Prudence Ward Dalrymple.
Publisher: University Microfilms International
Published: 1987
Place of publication: Ann Arbor, Mich
Language: eng
Format: Microform
Subjects: Online library catalogs.; Catalogs, Card.; Information retrieval.
Notes: Thesis (Ph.D.)--University of Wisconsin-Madison, 1987.

Includes bibliographies.