Caption title. Distributed to depository libraries in microfiche. "This Research Note supersedes Research Note RM-326." "July 1991." Includes bibliographical references (p. 5-6).
Series:
Research note RM ; 510
OCLC:
(OCoLC)711705735
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.