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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 15
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Portico
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Preserved
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2026-02-12
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Preserved : 2013: 8(1, S 1, 2), 2013: 9(1-2), 2013/2014: 10(1-2), 2014/2016: 11(1-4), 2015/2016: 12(1-4), 2016/2017/2018: 13(1-4), 2018/2019: 14(1-4), 2020: 15(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2021: 2021, 2022: 2022, 2023: 2023
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Portico
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Preserved
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2026-02-12
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Preserved : 2025: 20(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 1(1), 2007: 2(1-2, S), 2008: 3(1-2), 2009: 4(1-2, Special Issue ecial s, S), 2010: 5(1-2), 2011: 6(1-2)
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Library of Congress
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Preserved
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2025-04-07
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5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (S1, 1, 2); 9 (1, 2); 10 (1, 2); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (2, 4); 15 (2); 2023
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