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https://hdl.handle.net/2142/66364
Description
Title
Diachronous vs. Synchronous Study of Obsolescence
Author(s)
Stinson, Eddie Ray
Issue Date
1981
Department of Study
Library Science
Discipline
Library Science
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Information Science
Language
eng
Abstract
This study is basically a comparison of two ways of measuring obsolescene--synchronous and diachronous--within the subject of human and medical genetics. Synchronous studies are made on records of use or bibliographic references made at one point in time and compare the use against the age dis
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