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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 22 (1, 2); 23 (, 1, 2); 24 (, 1, 2); 25 (, 1, 2); 26 (, 1, 2); 27 (, 1, 2); 28 (, 1, 2); 29 (, 1, 2); 30 (, 1, 2); 31 (, 1, 2); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014
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Internet Archive
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Preserved
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2025-08-08
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7 to 28
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.22:1-2;vol.23:1-2;vol.24:1-2;vol.25:1-2;vol.26:1-2;vol.27:1-2;vol.28:1-2;vol.29:1-2;vol.30:1-2;vol.31:1-2;vol.32:1-4;vol.33:1-4;vol.34:1-4;vol.35:1-4;vol.36:1-4;vol.37:1-4;vol.38:1-4;vol.39:1-4;vol.40:1-4;vol.41:1-4
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CLOCKSS Archive
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Preserved
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2026-02-09
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22 to 47
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 33(1-4), 2013: 34(1-4), 2014: 35(1-4), 2015: 36(1-4), 2016: 37(1-4), 2017: 38(1-4), 2018: 39(1-4), 2019: 40(1-4), 2020: 41(1-4), 2021: 42(1-4), 2022: 43(1-4), 2023: 44(1-4), 2024: 45(1-4), 2025: 46(1-4), 2026: 47(1-2)
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Library of Congress
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Preserved
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2025-04-07
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36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1, 3); 40 (1, 2, 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1, 4); 45 (2)
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