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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); 2 (2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 06 (1, 2); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 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 (2 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 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1)
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Internet Archive
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Preserved
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2025-08-08
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9 to 11
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-3;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;vol.6:1-2;vol.7:1-3;vol.8:1-3;vol.9:1-3
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 34
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Portico
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Preserved
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2026-04-09
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Preserved : 1992: 1(1), 1993: 2(1-2), 1994: 3(1-2), 1995: 4(1-2), 1996: 5(1-2), 1997: 6(1-2), 1998: 7(1-3), 1999: 8(1-3), 2000: 9(1-3), 2001: 10(1-3), 2002: 11(1-3), 2003: 12(1-3), 2005: 13(1-4), 2006: 14(1-4), 2007: 15(1-4), 2008: 16(1-4), 2009: 17(1-4), 2010: 18(1-4), 2011: 19(1-4), 2012: 20(1-4), 2013: 21(1-4), 2014: 22(1-4), 2015: 23(1-4), 2016: 24(1-4), 2017: 25(1-4), 2018: 26(1-4), 2019: 27(1-4), 2020: 28(1-4), 2021: 29(1-4), 2022: 30(1-4), 2023: 31(1-4), 2024: 32(1-4), 2025: 33(1-4), 2026: 34(1)
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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 : 14 (1, 3, 4); 15 (1-4)
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