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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 20(C), 1997: 21(C), 1998: 22(C), 1999: 23(C), 2000: 24(C), 2001: 25(C), 2002: 26(1-2, ), 2003: 27(1-2), 2004: 28(1-2), 2005: 29(1-2), 2006: 30(1-2), 2007: 31(1-2), 2008: 32(1-2), 2009: 33(1-2), 2010: 34(1-2), 2011: 35(1-2), 2012: 36(1-2), 2013: 37(1-2), 2014: 38(1-2), 2015: 39(C), 2015: 40(C), 2016: 41, 2016: 42, 2017: 43, 2017: 44, 2018: 45, 2018: 46, 2019: 47, 2019: 48, 2020: 49, 2020: 50, 2021: 51, 2021: 52, 2022: 53, 2022: 54, 2023: 55, 2023: 56, 2024: 57, 2024: 58, 2025: 59, 2025: 60
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 20; 21; 22; 23 (1); 24 (, 1); 25; 26 (1, 2); 27 (, 1, 2); 28 (, 1, 2); 29 (, 1, 2); 30 (, 1, 2); 31 (, 1, 2); 32 (, 1, 2); 33 (, 1, 2); 34 (, 1, 2); 35 (, 2); 36 (, 1, 2); 37 (, 2); 38 (, 1, 2); 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 51; 52; 53; 54; 55; 56; 57; 58; 59; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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20 to 56, 58 to 60
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Internet Archive
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Preserved
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2025-08-08
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9 to 19
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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 : 20 (C); 21; 22; 23; 24; 25; 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (C); 40; 41; 42; 43; 44; 46; 47
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