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CLOCKSS Archive
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Preserved
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2026-05-25
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17 to 36
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 17 (1 to 12); 18 (Supplement, 1 to 12); 19 (Supplement, 1 to 12); 20 (1 to 12); 21 (1 to 12); 22 (1 to 8, 10 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 5, 10 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (2 to 12); 35 (1 to 12); 36 (1 to 3)
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Portico
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Preserved
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2026-05-28
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Preserved : 2007: 17(1-12), 2008: 18(1-12), 2009: 19(1-12), 2010: 20(1-12), 2011: 21(1-12), 2012: 22(1-12), 2013: 23(1-12), 2014: 24(1-12), 2015: 25(1-12), 2016: 26(1-12), 2017: 27(1-12), 2018: 28(1-12), 2019: 29(1-12), 2020: 30(1-12), 2021: 31(1-12), 2022: 32(1-12), 2023: 33(1-12), 2024: 34(1-12), 2025: 35(1-12), 2026: 36(1-5)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 17 (1-12); 18 (S1, 1-12); 19 (S1, 1-12); 20 (1-12); 21 (1-12); 22 (1-12); 23 (2-12); 24 (1-12); 25 (1-12); 26 (1-12); 27 (1-12); 28 (1-12); 29 (1-11)
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