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CLOCKSS Archive
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Preserved
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2026-04-27
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12 to 45
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Portico
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Preserved
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2026-04-30
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Preserved : 1986: 12(1-6), 1987: 13(1-6), 1988: 14(1-6), 1989: 15(1-6), 1990: 16(1-6), 1991: 17(1, S 1, 2-6), 1992: 18(1-6), 1993: 19(1, S 1, 2-6), 1994: 20(1, S 1, 2-6), 1995: 21(1-6), 1996: 22(1, S 1, 2, S 2, 3-10, ), 1997: 23(1, S 1, 2-10, ), 1998: 24(1-12), 1999: 25(1-12), 2000: 26(1-12), 2001: 27(1-12), 2002: 28(1-12), 2003: 29(1-12), 2004: 30(1-12), 2005: 31(1-12), 2006: 32(1-12), 2007: 33(1-12), 2008: 34(1-12), 2009: 35(1-12), 2010: 36(1-12), 2011: 37(1-12), 2012: 38(1-12), 2013: 39(1-12), 2014: 40(1-12), 2015: 41(1-2, 4-12), 2016: 42(1-12), 2017: 43(1-12), 2018: 44(1-12), 2019: 45(1-12)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 22 (Supplement, 2); 23 (3 to 5, 8, 9); 24 (1, 3, 4, 6 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 9, 11, 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 7, 9, 11, 12); 40 (1, 3 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12)
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CLOCKSS Archive
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Preserved
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2026-04-27
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47 to 52
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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 : 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (S1, 1-6); 18 (1-6); 19 (S1, 1-6); 20 (S1, 1-6); 21 (1-6); 22 (S1, 1-10); 23 (S1, 1-10); 24 (1-12); 25 (1-12); 26 (1-12); 27 (1-12); 28 (1-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-12); 34 (1-12); 35 (1-12); 36 (1-12); 37 (1-12); 38 (1-12); 39 (1-3, 5-12); 40 (1-12); 41 (1-12); 42 (1-12); 43 (1-11); 44 (1-5, 7-12); 45 (1, 3-8, 10, 11)
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Portico
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Preserved
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2026-04-30
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Preserved : 2015: 41(1-12), 2016: 42(1-12), 2017: 43(1-12), 2018: 44(1-3, 5-12), 2019: 45(1-12), 2020: 46(1-12), 2021: 47(1-12, 15), 2022: 48(1-12), 2023: 49(1-12), 2024: 50(1-11, 11, S, 12), 2025: 51(1-3, 5-12), 2026: 52(1-5)
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