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Portico
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Preserved
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2026-04-09
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Preserved : 1989/1990: 1(1-4), 1991: 2(1-4), 1992: 3(1-2), 1993: 4(1-2), 1994: 5(1-2), 1995: 6(1-2), 1996: 7(1-2), 1997: 8(1-2), 1998: 9(1-2), 1999: 10(1-2), 2000: 11(1-2), 2001: 12(1-2), 2002: 13(1-2), 2003: 14(1-3), 2004/2005: 15(1-3), 2005/2006: 16(1-3), 2006/2007: 17(1-3), 2007/2008: 18(1-3), 2008/2009: 19(1-3), 2009: 20(1-3), 2010: 21(1-3), 2011: 22(1-3), 2012: 23(1-3), 2013: 24(1-3), 2014: 25(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 69
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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 (1-2, 3-4); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1-2); 12 (2); 13 (1, 2); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (2, 3); 26 (Complete); 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69
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Portico
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Preserved
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2026-04-09
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Preserved : 2015: 27(C), 2015: 28(C), 2016: 29(C), 2016: 30(C), 2016: 31, 2017: 32, 2017: 33, 2017: 34, 2018: 35, 2018: 36, 2018: 37, 2018: 38, 2019: 39, 2019: 40, 2019: 41, 2019: 42, 2020: 43, 2020: 44, 2020: 45, 2020: 46, 2021: 47, 2021: 48, 2021: 49, 2021: 50, 2022: 51, 2022: 52, 2022: 53, 2022: 54, 2023: 55, 2023: 56, 2023: 57, 2023: 58, 2024: 59, 2024: 60, 2024: 61, 2024: 62, 2024: 63, 2025: 64, 2025: 65, 2025: 66, 2025: 67, 2025: 68, 2026: 69
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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 (1-2, 3-4); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1-2); 12 (2); 13 (1, 2); 14 (1-3); 15 (1-3); 16 (1-3); 17 (1-3); 18 (1-3); 19 (1-3); 20 (1-3); 21 (1-3); 22 (1-3); 23 (1-3); 24 (1-3); 25 (1-3); 26 (C); 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 114
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