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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 4); 2 (1 to 5); 3 (1); 4 (2 to 4); 5 (1 to 5); 6 (1 to 4); 7 (1 to 4); 8 (1-2, 3, 4); 9 (1 to 4); 10 (1, 2-4); 11 (1, 2, 3-4); 12 (1, 2-3, 4-5, 6); 13 (1 to 6); 14 (1 to 6); 15 (1-3, 4 to 6); 16 (1 to 6); 17 (1 to 3, 4-5, 6)
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Portico
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Preserved
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2026-05-21
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Preserved : 1987: 1(1-4), 1988: 2(1-5), 1989: 3(1), 1989: 4(1-4), 1990: 5(1-5), 1991: 6(1-4), 1992: 7(1-4), 1993: 8(1-4), 1994: 9(1-4), 1995: 10(1-4), 1995: 11(1-4), 1996: 12(1-6), 1997: 13(1-6), 1998: 14(1-6), 1999: 15(1-6), 2000: 16(1-6), 2001: 17(1-6)
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CLOCKSS Archive
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Preserved
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2026-05-25
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6 to 17
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.13:1-6;vol.14:1-6;vol.15:4-6,1-3;vol.16:1-6;vol.17:1-3,6,4-5
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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 : 13 (1 to 6); 14 (1 to 6); 15 (1?3, 4 to 6); 16 (1 to 6); 17 (1 to 3, 4?5, 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 : 13 (1 to 6); 14 (1 to 6); 15 (1?3, 4 to 6); 16 (1 to 6); 17 (1 to 3, 4?5, 6)
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