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Portico
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Preserved
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2026-04-02
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Preserved : 1992: 1(1-4), 1993: 2(1-4), 1994: 3(1-4), 1995: 4(1-4), 1996: 5(1-3), 1996/1997: 6(1-3), 1997: 7(1-3), 1997/1998: 8(1-3), 1998: 9(1-3), 1999: 10(1-3), 2000: 11(1-3), 2000/2001: 12(1-3), 2001: 13(1-3), 2001/2002: 14(1-3), 2002: 15(1-2), 2002/2003: 16(1-2), 2003: 17(1-2), 2003: 18(1-2), 2004: 19(1-2), 2005: 20(1-2), 2005/2006: 21(1-2), 2006: 22(1-2), 2007: 23(1-2), 2007/2008: 24(1-2), 2008: 25(1-2), 2009: 26(1-2), 2009: 27(1-2), 2010: 28(1-2), 2010: 29(1-2), 2010: 30(1-2), 2011: 31(1-2), 2011: 32(1-2), 2012: 33(1-2), 2012: 34(1-2), 2013: 35(1-2), 2014: 36(1-2), 2014: 37(1-2), 2014: 38(1-2), 2015: 39(1-2), 2016: 40(C), 2016: 41(C), 2016: 42(C), 2016: 43, 2017: 44, 2017: 45, 2017: 46, 2017: 47, 2018: 48, 2018: 49, 2018: 50, 2018: 51, 2019: 52, 2019: 53, 2019: 54, 2019: 55, 2020: 56, 2020: 57, 2020: 58, 2020: 59, 2021: 60, 2021: 61, 2021: 62, 2021: 63, 2022: 64, 2022: 65, 2022: 66, 2022: 67, 2023: 68, 2023: 69, 2023: 70, 2023: 71, 2024: 72, 2024: 73, 2024: 74, 2024: 75, 2025: 76, 2025: 77, 2025: 78, 2025: 79, 2026: 80, 2026: 81
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CLOCKSS Archive
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Preserved
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2026-03-30
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1 to 81
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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 4); 3 (1 to 4); 4 (1 to 4); 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 3); 13 (1 to 3); 14 (1 to 3); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1-2); 24 (2); 25 (1, 2); 26 (1, 2); 27 (1-2); 28; 29 (2); 30 (1-2); 31 (2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1-2); 37; 38; 39 (Part, 1); 40 (Complete); 41; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 71; 73; 74; 75; 76; 77; 78; 79; 80
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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 : 1 (2-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1-2); 24 (2); 25 (1, 2); 26 (1, 2); 27 (1-2); 28; 29 (2); 30 (1-2); 31 (2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1-2); 37; 38; 39 (2PA); 40 (C); 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53
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