Communications and the reference interface
By: by Bernard F. Vavrek.
Published: 1975
Language: eng
Number of pages: 130
Subjects: Reference services (Libraries)
Notes: Thesis (Ph.D.) -- University of Pittsburgh, 1971.

Bibliography: leaves 124-130.

Photocopy. Ann Arbor, Mich. : Xerox University Microfilms, 1975. 22 cm.