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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2); 2 (1 to 6); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 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); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1, 4 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1, 2, 3-4, 5, 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 8); 37 (1, 2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 37
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Portico
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Preserved
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2026-04-09
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Preserved : 1991: 2(1-6), 1992: 3(1-6), 1993: 4(1-6), 1994: 5(1-6), 1995: 6(1-6), 1996: 7(1-6), 1997: 8(1-6), 1998: 9(1-6), 1999: 10(1-6), 2000: 11(1-6), 2001: 12(1-6), 2002: 13(1-6), 2003: 14(1-6), 2004: 15(1-6), 2005: 16(1-6), 2006: 17(1-6), 2007: 18(1-6), 2008: 19(1-6), 2009: 20(1-6), 1990/2010: 21(1-6), 2011: 22(1-6), 2012: 23(1-6), 2013: 24(1-6), 2014: 25(1-6), 2015: 26(1-6), 2016: 27(1-6), 2017: 28(1-6), 2018: 29(1-6), 2019: 30(1-6), 2020: 31(1-6), 2021: 32(1-6), 2022: 33(1-8), 2023: 34(1-8), 2024: 35(1-8), 2025: 36(1-8), 2026: 37(1)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-6;vol.11:1-6;vol.12:1-6;vol.13:1-6;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.26:1-6;vol.27:1-2,5-6,3-4;vol.28:1-6;vol.29:1-6;vol.30:1-6;vol.31:1-6;vol.32:1;vol.8:1-6;vol.9:1-6
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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 : 1 (1 to 6); 2 (1 to 6); 3 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 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 6); 27 (1, 2, 3-4, 5, 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 3, 6 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 6)
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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 6); 2 (1 to 6); 3 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 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 6); 27 (1, 2, 3-4, 5, 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 3, 6 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 7)
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