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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 28 (1 to 3); 29 (1 to 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1-2, 3); 39 (1-2, 3); 40 (1‐2, 3); 41 (1‐2, 3); 42 (2, 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1, 2-3); 48 (1 to 3); 49 (1 to 3); 50 (1 to 3); 51 (S1, 1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.28:1-3;vol.29:1-3;vol.30:1-3;vol.31:1-3;vol.32:1-3;vol.33:1-3;vol.34:1-3;vol.35:1-3;vol.36:1-3;vol.37:1-3;vol.38:3,1-2;vol.39:3,1-2;vol.40:3,1-2;vol.41:3,1-2;vol.42:1-3;vol.43:1-3;vol.44:1-3;vol.45:1-3;vol.46:1-3;vol.47:1,2-3;vol.48:1-3;vol.49:1-3
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CLOCKSS Archive
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Preserved
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2026-04-06
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28 to 55
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Portico
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Preserved
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2026-04-09
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Preserved : 2011: 40(1-3), 2012: 41(1-3), 2013: 42(1-3), 2014: 43(1-3), 2015: 44(1-3), 2016: 45(1-3), 2017: 46(1-3), 2018: 47(1-3), 2019: 48(1-3), 2020: 49(1-3), 2021: 50(1-3), 2022: 51(1, S1, 2-3), 2023: 52(1-3), 2024: 53(1-3), 2025: 54(1-3), 2026: 55(1)
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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 : 35 (1-3); 36 (1)
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