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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 24
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 24
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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 (sup1, 1 to 9, 11, 12); 14 (1 to 5, 6-7, 8); 15 (sup1, 1 to 8); 16 (1 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (sup1, 1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (sup1, 1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (sup1, 1 to 9, 11, 12)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 2 (1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 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 8); 14 (, 1 to 5, 6-7, 8); 15 (, 1 to 8); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 16(1-12), 2000: 17(1-12), 2001: 18(1-12), 2002: 19(1-12), 2003: 20(1-12), 2004: 21(1-12), 2005: 22(1-12), 2006: 23(1-12), 2007: 24(1-12), 2007/2008: 25(1-12), 2009: 26(1-7)
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