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Portico
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Preserved
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2026-04-16
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Preserved : 2001: 49(1-8), 2002: 50(1-8), 2003: 51(1-8), 2004: 52(1-8)
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Portico
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Preserved
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2026-04-16
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Preserved : 2006: 54(1-8), 2007: 55(1-8), 2008: 56(1-8), 2009: 57(1-8), 2010: 58(1-8), 2011: 59(1-8), 2012: 60(1-8), 2013: 61(1-8), 2014: 62(1-8), 2015: 63(1-8), 2016: 64(1-8), 2017: 65(1-7), 2018: 66(1-8), 2019: 67(1-8), 2020: 68(1-2, 2, S, 3-7), 2021: 69(1-6, 8), 2022: 70(1-8), 2023: 71(1-8), 2024: 72(1-8), 2025: 73(1-8), 2026: 74(1-2)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 49 (1 to 4, 5-6, 7, 8); 50 (1 to 5, 6-7, 8); 51 (1 to 8); 52 (1 to 8); 53 (1-2, 3 to 8); 54 (1 to 5, 6-7, 8); 55 (1 to 4, 5-6, 7, 8); 56 (1 to 3, 4-5, 6 to 8); 57 (1 to 6, 7-8); 58 (1-2, 3 to 5, 6-7, 8); 59 (1, 3 to 8); 60 (Supplement, 1, 2, 4 to 6, 7-8); 61 (2 to 6, 7-8); 62 (1 to 7); 63 (1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (1 to 7); 67 (1 to 5, 7, 8); 68 (1 to 3, 6 to 8); 69 (1 to 8); 70 (1 to 6); 71 (1, 2, 4, 6); 72 (3, 4, 6, 8); 73 (1, 3 to 5, 7, 8)
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CLOCKSS Archive
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Preserved
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2026-04-13
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49 to 74
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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 : 49 (1-4, 5-6, 7, 8); 50 (1-5, 6-7, 8); 51 (1-8); 52 (1-8); 53 (1-2, 3-8); 54 (1-5, 6-7, 8); 55 (1-4, 5-6, 7, 8); 56 (1-3, 4-5, 6-8); 57 (1-6, 7-8); 58 (1-2, 3-5, 6-7, 8); 59 (1-8); 60 (1-6, 7-8); 61 (1-6, 7-8); 62 (1-8); 63 (1-8); 64 (1-8); 65 (1-8); 66 (1-6, 7-8); 67 (1-4, 5-6, 7)
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