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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 15; 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1, 2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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15 to 38
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Portico
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Preserved
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2026-04-02
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Preserved : 1990: 2(1-4), 1991: 3(1-4), 1992: 4(2-4)
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Portico
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Preserved
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2026-04-02
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Preserved : 2003: 15(4), 2004: 16(1-4), 2005: 17(1-4), 2006: 18(1-4), 2007: 19(1-4), 2008: 20(1-4), 2009: 21(1-4), 2010: 22(1-4), 2011: 23(1-4), 2012: 24(1-4), 2013: 25(1-4), 2014: 26(1-4), 2015: 27(1-4), 2016: 28(1-3), 2017: 29(1-4), 2018: 30(1-4), 2019: 31(1-4), 2020: 32(1-3), 2021: 33(1-4), 2022: 34(2-4), 2023: 35(1-4), 2024: 36(1-4), 2025: 37(1-4), 2026: 38(1)
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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 : 2 (2-4); 3 (1-4); 4 (2-4); 15; 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-3)
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