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| Main Author: | |
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| Format: | Recurso educativo Open Access |
| Language: | en |
| Published: |
1970
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| Subjects: | |
| Online Access: | https://eric.ed.gov/?id=ED048881 |
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Table of Contents:
- An Investigation into the Significance of Age as a Factor in Selecting an Optimum Circulation Period(s) for Serials. Burns, Robert W., Jr. Library Circulation Library Planning Library Surveys Scholarly Journals Serials Use Studies The identifiable age grouping of the optimum circulation interval for journal usage is five years. Heaviest journal usage occurs during the first five years after its publication date; and beginning with the sixth year, use becomes so infrequent that requirements for return of the journal within two days creates unnecessary hardship on the user. Journal usage is inversely proportional to the age of the journal. (MF)