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With Lawrence Smolinsky, Persistent value of older scientific journal articles, Scientometrics 108(3): 1205-1220 (2016).
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Correlation over Time for Citations to Mathematics Articles, Journal of the American Society for Information Science and Technology 64(3) (2013): 455-463.
With Lawrence Smolinsky, Citation Rates in Mathematics: A Study of Variation by Subdiscipline, Scientometrics 91(3) (2012): 911-924.
Efficiency of Scientific Communication: A Survey of World Science, Journal of the American Society for Information Science and Technology 61(10) (2010): 2049-2060.
"A Survey of Attitudes about Digital Repositories among Faculty at Louisiana State University in Baton Rouge," Journal of Academic Librarianship 34(5) (2008): 408-415.
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