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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 6); 2 (1 to 6); 3 (S2, 1 to 6); 4 (S1, 1 to 6); 5 (S1, 1 to 6); 6 (S1, 1 to 6); 7 (s1, 1 to 6); 8 (S1, 1 to 9); 9 (S3, 1 to 12); 10 (S11, 1 to 12); 11 (S10, 1 to 12); 12 (S9, 1 to 12); 13 (1 to 12)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-12,S11,S12;vol.11:1-12,S10,sup.S1;vol.12:1-12,S11,S12,S9;vol.13:1-12;vol.5:1-6,S1;vol.6:1-6,S1,S2;vol.7:1-6,sup.s1;vol.8:1-9,S1;vol.9:1-12,S11,S3,S4,sup.S5
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 13
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Portico
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Preserved
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2026-04-23
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Preserved : 1993: 1(1, S 1, 2-6), 1994: 2(1-6), 1995: 3(1, S1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6), 1996: 4(1, S 1, 2-6), 1997: 5(1, S 1, 2-6), 1998: 6(1, S 1, 2, S 2, 3-6), 1999: 7(1-6), 2000: 8(1, S 1, 2-9), 2001: 9(1, S 1, 2, S 2, 3, S 3, 4-5, S5, 6-11, S 11, 12), 2002: 10(1-2, S 2, 3-11, S 11, 12), 2003: 11(1, S1, 2-10, S 10, 11-12), 2004: 12(1-9, S 9, 10-11, S 11, 12, S 12), 2005: 13(1-12)
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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 (S11, 1 to 9, 11, 12); 5 (S1, 1 to 6); 6 (S1, 1 to 6); 7 (, 1 to 6); 8 (S1, 1 to 9); 9 (S3, 1 to 9, 11, 12); 11 (S1, 1 to 9, 11, 12); 12 (S9, 1 to 9, 11, 12); 13 (1 to 9, 11, 12)
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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 (S11, 1 to 9, 11, 12); 5 (S1, 1 to 6); 6 (S1, 1 to 6); 7 (, 1 to 6); 8 (S1, 1 to 9); 9 (S3, 1 to 9, 11, 12); 11 (S1, 1 to 9, 11, 12); 12 (S9, 1 to 9, 11, 12); 13 (1 to 9, 11, 12)
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