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University Library System, University of Pittsburgh, 2000
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University Library System, University of Pittsburgh, 1999
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University Library System, University of Pittsburgh, 1992
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University Library System, University of Pittsburgh, 1982
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Consortium Erudit, 1981
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Consortium Erudit, 1989
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Societe Mathematique de France, 1946
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Springer Science and Business Media LLC, 1996
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Informa UK Limited, 1955
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American Chemical Society (ACS), 2007
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Wiley, 2006
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American Chemical Society (ACS), 2005
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Ovid Technologies (Wolters Kluwer Health), 1989
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Informa UK Limited, 1989
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Wiley, 1986
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Elsevier BV, 2023
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SAGE Publications, 2022
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Ovid Technologies (Wolters Kluwer Health), 2022
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Consortium Erudit, 2021
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2021