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Internet Archive
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Preserved
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2025-08-08
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1 to 6
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 12 (1 to 6); 13 (1, 2, 3-4, 5, 6); 14 (1 to 6); 15 (5, 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (5 to 12); 27 (1 to 9); 28 (2 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1, 2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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12 to 40
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Portico
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Preserved
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2026-04-02
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Preserved : 1998: 12(1-6), 1999: 13(1-6), 2000: 14(1-6), 2001: 15(1-6), 2002: 16(1-6), 2003: 17(1-6), 2004/2005: 18(1-6), 2005/2006: 19(1-6), 2006: 20(1-6), 2007: 21(1-6), 2008: 22(1-6), 2009: 23(1-6), 2010: 24(1-6), 2011: 25(1-6), 2012: 26(1-12), 2013: 27(1-12), 2014: 28(1-12), 2015: 29(1-12), 2016: 30(1-12), 2017: 31(1-12), 2018: 32(1-12), 2019: 33(1-12), 2020: 34(1-12), 2021: 35(1-12), 2022: 36(1-12), 2023: 37(1-12), 2024: 38(1-12), 2025: 39(1-12), 2026: 40(1-3)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.12:1-6;vol.13:1-2,5-6,3-4;vol.14:1-6;vol.15:1-6;vol.16:1-6;vol.17:1-6;vol.18:1-6;vol.19:1-6;vol.20:1-6;vol.21:1-6;vol.22:1-6;vol.23:1-6;vol.24:1-6;vol.25:1-6;vol.26:1-12;vol.27:1-12;vol.28:1-12;vol.29:1-12;vol.30:1-12;vol.31:1-12;vol.32:1-12;vol.33:1-12;vol.34:1-12;vol.35:1
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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 : 2 (1 to 6); 3 (1 to 9, 11, 12); 12 (1 to 6); 13 (1, 2, 3?4, 5, 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1, 2, 4 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 8, 11, 12); 37 (1 to 9, 11); 38 (1 to 9, 11, 12); 39 (1 to 9)
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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 : 2 (1 to 6); 3 (1 to 9, 11, 12); 12 (1 to 6); 13 (1, 2, 3?4, 5, 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1, 2, 4 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 8, 11, 12); 37 (1 to 9, 11); 38 (1 to 9, 11, 12); 39 (1 to 9)
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Library of Congress
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Preserved
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2025-04-07
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27 (9); 28 (1 to 12); 29 (1 to 12); 30 (1 to 9, 11, 12); 31 (1 to 3, 5, 6, 8, 10 to 12); 32 (1 to 3, 5 to 12); 33 (1, 3 to 7, 9 to 11); 34 (1 to 12); 35 (2 to 12); 36 (1 to 12); 37 (7 to 11); 38 (3, 4)
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