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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 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 3); 18 (, 2 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1, 2); 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 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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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-4;vol.11:1-4;vol.12:1-4,sup.s1;vol.13:1-4,sup.s1;vol.14:1-4,sup.s1;vol.15:1-4,sup.s1;vol.16:1-4;vol.17:1-4,sup.s1;vol.18:1-4,sup.s1;vol.19:1-4;vol.1:1-4;vol.20:1-4;vol.21:1-4,sup.S1;vol.22:1-4,sup.S1;vol.23:1-4;vol.24:1-4;vol.2:1-4;vol.3:1-4;vol.4:1-4;vol.5:1-4;vol.6:1-4,sup.s3;vol.7:1-4;vol.8:1-4,sup.s4;vol.9:1-4
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 30
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 13(1-4), 2010: 14(1-4), 2011: 15(1-4), 2012: 16(1-4), 2013: 17(1-4), 2014: 18(1-4), 2015: 19(1-4), 2016: 20(1-4), 2017: 21(1, S1, 2-4), 2018: 22(1, S1, 2-4), 2019: 23(1-4), 2020: 24(1-4), 2021: 25(1-4), 2022: 26(1-4), 2023: 27(1-4), 2024: 28(1-4), 2025: 29(1-4), 2026: 30(1)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (, 1 to 4); 7 (1 to 4); 8 (, 1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (2 to 4); 29 (1 to 3)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (, 1 to 4); 7 (1 to 4); 8 (, 1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (2 to 4); 29 (1 to 3)
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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 : 10 (1-4); 11 (1-4)
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