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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1, 5, 6); 48 (1 to 6); 49 (1 to 6); 50 (1)
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LOCKSS Archive
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In Progress
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2026-04-06
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40, 47
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LOCKSS Archive
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Preserved
|
2026-04-06
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41 to 46
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CLOCKSS Archive
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Preserved
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2026-04-06
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41 to 54
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Portico
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Preserved
|
2026-04-02
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Preserved : 2013: 41(1-6), 2014: 42(1-6), 2015: 43(2-6), 2016: 44(1-6), 2017: 45(1-6), 2018: 46(1-6), 2018/2019: 47(1-6), 2019/2020: 48(1-6), 2021: 49(1-6), 2022: 50(1-6), 2023: 51(1), 2024: 52(1), 2025: 53(1), 2026: 54(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 : 41 (2-6); 42 (1-6); 43 (supplement-1, 1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6)
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Scholars Portal
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Preserved
|
2026-03-19
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|
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Preserved : 50 (2 to 6); 51 (1); 52; 53; 54
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