On reference and its empirical studies
Subtitle: a critical review.
Published: 1967
Language: eng
Format: Microform
Number of pages: 53
Subjects: Reference services (Libraries)
Notes: Thesis (M.A.)--University of Chicago.

Includes bibliographical references.

Microfilm (positive) of typescript. Chicago : University of Chicago Library, Dept. of Photoduplication. 1 reel ; 35 mm.