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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 3); 2 (1 to 3); 3 (1 to 3); 4 (1 to 3); 5 (1 to 3); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 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 (s1, 1 to 4); 20 (1 to 4); 21 (1 to 3, 4-5); 22 (1 to 4); 23 (s1, 1 to 4); 24 (s1, 1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 3); 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 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.11:1-3;vol.12:1-4;vol.13:1-4;vol.14:1-4;vol.15:1-4;vol.16:1-4;vol.17:1-4,sup.s1;vol.18:1-4;vol.19:1-4,sup.s1;vol.20:1-4;vol.21:1-3,4-5;vol.22:1-4,sup.s1;vol.23:1-4,sup.s1;vol.24:1-4,sup.s1;vol.25:1-4;vol.26:1-4;vol.27:1-4;vol.28:1-4;vol.29:1-4;vol.30:1-4;vol.31:1-4;vol.32:1-4;vol.33:1-4;vol.34:1-4
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CLOCKSS Archive
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Preserved
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2026-05-04
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5 to 40
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Portico
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Preserved
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2026-05-07
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Preserved : 1987: 1(1-3), 1988: 2(1-3), 1989: 3(1-3), 1990: 4(1-3), 1991: 5(1-3), 1992: 6(1-3), 1993: 7(1-3), 1994: 8(1-3), 1995: 9(1-3), 1996: 10(1-3), 1997: 11(1-3), 1998: 12(1-4), 1999: 13(1-4), 2000: 14(1-4), 2001: 15(1-4), 2002: 16(1-4), 2003: 17(1-4), 2004: 18(1-4), 2005: 19(1-4), 2006: 20(1-4), 2007: 21(1-3), 2008: 22(1-4), 2009: 23(1-4), 2010: 24(1-4), 2011: 25(1-4), 2012: 26(1-4), 2013: 27(1-4), 2014: 28(1-4), 2015: 29(1-4), 2016: 30(1-4), 2017: 31(1-4), 2018: 32(1-4), 2019: 33(1-4), 2020: 34(1-4), 2021: 35(1-4), 2022: 36(1-4), 2023: 37(1-4), 2024: 38(1-4), 2025: 39(1-4), 2026: 40(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 : 20 (1-4); 21 (1-3, 4-5)
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