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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.16:1-4,s1;vol.17:1-4;vol.18:1-4,s1,s2;vol.19:1-4;vol.20:1-6;vol.21:1-6,sup.S1;vol.22:1-5,sup.S1
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 12 (1 to 4); 2010
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 27
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 1(1-4), 2000: 2(1-4), 2001: 3(1, Special Issue 1, 2, Special Issue 2, 3-4), 2002: 4(1, S1, 2, S2, 3, S3, 4), 2003: 5(1, S1, 2, S2, 3-4), 2004: 6(1, S1, 2-4), 2005: 7(1, S1, 2-4), 2006: 8(1, S1, 2, S2, 3-4), 2007: 9(1-4), 2008: 10(1-4), 2009: 11(1-4), 2010: 12(1-4), 2011: 13(1, S1, 2-4), 2012: 14(1-4), 2013: 15(1-4), 2014: 16(1, S 1, 2-4), 2015: 17(1-4), 2016: 18(1, S 1, 2, S 2, 3-4), 2017: 19(1-4), 2018: 20(1-6), 2019: 21(1, S1, 2-6), 2020: 22(1, S1, 2-6), 2021: 23(1-6), 2022: 24(1-6), 2023: 25(1-6), 2024: 26(1-6), 2025: 27(1-6)
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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 : 16 (s1, 1 to 4); 17 (1 to 4)
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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 : 16 (s1, 1 to 4); 17 (1 to 4)
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LOCKSS Archive
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In Progress
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2026-02-09
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 13 (1 to 4); 14 (, 1 to 4); 15 (, 1, 2); 2011; 2012; 2013
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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 : 14 (1 to 4); 15 (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 : 14 (1 to 4); 15 (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 : 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4)
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