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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 22 (10); 23 (, 6); 24 (, 5 to 12); 25 (, 1 to 10); 26 (, 1 to 11); 27 (, 1 to 12); 28 (, 1, 2, 3-4, 5-6, 7, 8-9, 10-11, 12); 29 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017
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CLOCKSS Archive
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Preserved
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2026-02-09
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18 to 29
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 18(12), 2007: 19(1-12), 2008: 20(1-12), 2009: 21(1-12), 2010: 22(1-12), 2011: 23(1-12), 2012: 24(1-12), 2013: 25(1-12), 2014: 26(1-12), 2015: 27(1-12), 2016: 28(1-12), 2017: 29(1-12)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.18:12;vol.19:1-12;vol.20:1-12;vol.21:1-4,7-7,10,11-12,5-6,8-9;vol.22:1-12;vol.23:1-12;vol.24:1-12;vol.25:1-12;vol.26:1-10,11-12;vol.27:1-12;vol.28:1-2,7-7,12,10-11,3-4,5-6,8-9;vol.29:1-2,11-12,3-4,5-6,7-8,9-10
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