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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32; 33 (1, 2); 34 (1, 2); 35; 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (3, 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1, 2, 3-4); 46 (1, 2, 3-4); 47 (1 to 4); 48 (1 to 4)
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Portico
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Preserved
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2026-04-09
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Preserved : 2004: 27(1-2), 2005: 28(1-2), 2006: 29(1-2), 2007: 30(1-2), 2008: 31(1-2), 2009: 32(1-2), 2010: 33(1-2), 2011: 34(1, S 1, 2), 2012: 35(1-2), 2013: 36(1-2), 2014: 37(1-2), 2015: 38(1-2), 2016: 39(1-2), 2017/2018: 40(1-4), 2018: 41(1-4), 2019: 42(1-4), 2020: 43(1-4), 2021: 44(1-4), 2022: 45(1-4), 2023: 46(1-4), 2024: 47(1-4), 2025: 48(1-4)
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CLOCKSS Archive
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Preserved
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2026-04-06
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27 to 48
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.27:1-2;vol.28:1-2;vol.29:1-2;vol.30:1-2;vol.31:1-2;vol.32:1-2;vol.33:1-2;vol.34:1-2,S1;vol.35:1-2;vol.36:1-2;vol.37:1-2;vol.38:1-2;vol.39:1-2;vol.40:1-4;vol.41:1-4;vol.42:1-4;vol.43:1-4
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 3 (1, 2); 4 (1 to 4); 27 (1, 2); 28 (1, 2); 29 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (S1, 1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1, 2, 3-4); 46 (1, 2, 3-4); 47 (1 to 4); 48 (1 to 3)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 3 (1, 2); 4 (1 to 4); 27 (1, 2); 28 (1, 2); 29 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (S1, 1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1, 2, 3-4); 46 (1, 2, 3-4); 47 (1 to 4); 48 (1 to 3)
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