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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 17 (2); 18 (, 1, 2); 19 (, 1, 2); 20 (, 1, 2); 21 (, 1, 2); 22 (, 1, 2); 23 (, 1, 2); 24 (, 1, 2); 25 (, 1, 2); 26 (, 1, 2); 27 (, 1, 2); 28 (, 1, 2); 29 (, 1, 2); 30 (, 1); 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.10:1-2;vol.11:1-2;vol.12:1-2;vol.13:1-2;vol.14:1-2;vol.15:1-2;vol.16:1-2;vol.17:1-2;vol.18:1-2;vol.19:1-2;vol.20:1-2;vol.21:1-2;vol.22:1-2;vol.23:1-2;vol.24:1-2;vol.25:1-2;vol.26:1;vol.2:1-2;vol.3:1-2;vol.4:1-2;vol.5:1-2;vol.6:1-2;vol.7:1-2;vol.8:1-2;vol.9:1-2
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 31
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 1(1-2), 1997: 2(1-2), 1998: 3(1-2), 1999: 4(1-2), 2000: 5(1-2), 2001: 6(1-2), 2002: 7(1-2), 2003: 8(1-2), 2004: 9(1-2), 2005: 10(1-2), 2006: 11(1-2), 2007: 12(1-2), 2008: 13(1-2), 2009: 14(1-2), 2010: 15(1-2), 2011: 16(1-2), 2012: 17(1-2), 2013: 18(1-2), 2014: 19(1-2), 2015: 20(1-2), 2016: 21(1-2), 2017: 22(1-2), 2018: 23(1-2), 2019: 24(1-2), 2020: 25(1-2), 2021: 26(1-2), 2022: 27(1-2), 2023: 28(1-2), 2024: 29(1-2), 2025: 30(1, S1, 2), 2026: 31(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, 2); 2 (1, 2); 3 (S1, 1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2)
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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, 2); 2 (1, 2); 3 (S1, 1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2)
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