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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 23 (1, 2-3); 24; 25 (1 to 3); 26 (1, 2-3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1, 2); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 40 (1 to 3); 41 (1 to 3)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.23:1,2-3;vol.24:1,2-3;vol.25:1-3;vol.26:1,2-3;vol.27:1-3;vol.28:1-3;vol.29:1-3;vol.30:1-3;vol.31:1-3;vol.32:1-3;vol.33:1-3;vol.34:1-3;vol.35:1-3;vol.36:1-3;vol.37:1-3;vol.38:1-3;vol.39:1-3;vol.40:1-3;vol.41:1-3
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CLOCKSS Archive
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Preserved
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2026-05-25
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23, 24, 28 to 41
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Portico
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Preserved
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2026-05-28
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Preserved : 2001: 23(1-3), 2002: 24(1-3), 2003: 25(1-3), 2004: 26(1-3), 2005: 27(1-3), 2006: 28(1-3), 2007: 29(1-3), 2008: 30(1-3), 2009: 31(1-3), 2010: 32(1-3), 2011: 33(1-3), 2012: 34(1-3), 2013: 35(1-3), 2014: 36(1-3), 2015: 37(1-3), 2016: 38(1-3), 2017: 39(1-3), 2018: 40(1-3), 2019: 41(1-3)
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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 : 3 (1 to 3); 4 (1 to 3); 23 (2?3); 24 (1, 2?3); 25 (1 to 3); 26 (1, 2?3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (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 : 3 (1 to 3); 4 (1 to 3); 23 (2?3); 24 (1, 2?3); 25 (1 to 3); 26 (1, 2?3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3)
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