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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 : 1 (1-3); 2 (1-6); 3 (S2, 1-6); 4 (1-6); 5 (1-6); 6 (1-6); 7 (1-6); 8 (1-6); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1S, 2-6); 13 (1-3)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 20
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Portico
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Preserved
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2026-04-02
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Preserved : 2007: 1(1-3), 2008: 2(1-6), 2009: 3(1-6, S), 2010: 4(1-6), 2011: 5(1-6), 2012: 6(1-6), 2013: 7(1-6), 2014: 8(1-6), 2015: 9(1-6), 2016: 10(1-6), 2017: 11(1-6), 2018: 12(1-6), 2019: 13(1-3, 3, S, 4-6), 2020: 14(1, 1, S, 2-3, 3, S, 4-6), 2021: 15(1-4, 4, S, 5), 2022: 16(1-4, 4, S, 5-6), 2023: 17(1, 1, S, 2-4, 4, S, 5-6), 2024: 18(1, 1, S, 2-3, 4, S, 5-6), 2025: 19(1, 1, S, 2-4, 4, S, 5-6), 2026: 20(1, 1, S)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 3); 2 (1 to 6); 3 (Supplement, 1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (2 to 6); 7 (Supplement, 1, 2, 4 to 6); 8 (Supplement, 1 to 6); 9 (Supplement, 1 to 6); 10 (Supplement, 1 to 4, 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1, 3, 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1)
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