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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 1(1), 1999: 2(1), 2000: 3(1), 2001: 4(1), 2002: 5(1), 2003: 6(1), 2004: 7(1), 2005: 8(1), 2006: 9(1), 2007: 10(1), 2008: 11(1), 2009: 12(1), 2010: 13(1), 2011: 14(1), 2012: 15(1), 2013: 16(1), 2014: 17(1), 2015: 18(1), 2016: 19(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2018: 21, 2019: 22, 2020: 23, 2021: 24, 2022: 25, 2023: 26, 2024: 27, 2025: 28
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 28
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1); 2 (, 1); 4 (, 1); 6 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 16 (, 1); 17 (, 1); 18 (, 1); 19 (, 1); 20; 21; 22; 23; 24; 25; 26; 27; 28; 1998; 1999; 2001; 2003; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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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); 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20 (C); 21; 22
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