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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 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (S1, 1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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8 to 22
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.11:1-4;vol.12:1-4;vol.13:1-4;vol.14:1-4;vol.15:1-4;vol.16:1-4;vol.17:1-4;vol.18:1-4;vol.19:1-4;vol.20:1-4;vol.21:1-4;vol.22:1-4;vol.23:1-4;vol.24:1-4;vol.25:1-4;vol.26:1-4;vol.27:1-4;vol.28:1-4;vol.29:1-4;vol.30:1-4,sup.S1,sup.S2
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CLOCKSS Archive
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Preserved
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2026-04-06
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11 to 36
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Portico
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Preserved
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2026-04-09
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Preserved : 2012: 22(1-4), 2013: 23(1-4), 2014: 24(1-4), 2015: 25(1-4), 2016: 26(1-4), 2017: 27(1-4), 2018: 28(1-4), 2019: 29(1-4), 2020: 30(1, S1, 2, S2, 3-4), 2021: 31(1-4), 2022: 32(1-4), 2023: 33(1-4), 2024: 34(1-4), 2025: 35(1-4), 2026: 36(1)
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CLOCKSS Archive
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In Progress
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2026-04-06
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 5, 7 to 10
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Portico
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Preserved
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2026-04-09
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Preserved : 1997: 7(1-4), 1998: 8(1-4), 1999: 9(1-4), 2000: 10(1-4)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 16 (1-4); 17 (1-4)
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Library of Congress
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Preserved
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2025-04-07
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26 (1 to 4); 27 (1, 3, 4); 28 (2 to 4); 29 (1 to 4); 30 (1 to 4, S1, S2); 31 (1 to 4); 32 (1 to 4); 33 (3)
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