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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 3); 2 (, 1 to 6); 3 (, 1 to 6); 04 (, 01, 02, 03, 04, 05, 06); 6 (, 1 to 6); 7 (, 1 to 4); 8 (, 3 to 6); 9 (, 2 to 6); 10 (, 1 to 6); 11 (, 1 to 5, 6-7, 8-9, 10, 11-12); 12 (, 1, 2-3, 4 to 7, 8-9, 10 to 12); 13 (, 1, 2-3, 4, 5, 6-7, 8 to 12); 14 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 15 (, 1-3, 4-6, 7-9, 10-12); 16 (, 1-3, 4-6, 7-9, 10‐12); 17 (, 1‐3, 4‐6, 7‐9, 10‐12); 18 (, 4‐6, 7‐9, 10‐12); 19 (, 1‐3, 4‐6, 7-8-9); 20 (, 1-2-3, 4-5-6, 7-8-9, 10-11-12); 21 (, 1-2-3, 4-5-6, 7-8-9, 10-11-12); 1995; 1996; 1997; 1998; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-6;vol.11:1-5,10,11-12,6-7,8-9;vol.12:1-1,4-7,10-12,2-3,8-9;vol.13:1-1,4-5,8-12,2-3,6-7;vol.14:11-12,1-2,3-4,5-6,7-8,9-10;vol.15:10-12,1-3,4-6,7-9;vol.16:10-12,1-3,4-6,7-9;vol.17:10-12,1-3,4-6,7-9;vol.18:10-12,1-3,4-6,7-9;vol.19:10-11-12,1-3,4-6,7-8-9;vol.20:1-2-3,10-11-12,4-5-6,7-8-9;vol.21:1-2-3,10-11-12,4-5-6,7-8-9;vol.3:1-6;vol.4:1-6;vol.5:1-6;vol.6:1-6;vol.7:1-6;vol.8:1-6;vol.9:1-6
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 8, 12 to 21
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 1(1-3), 1996: 2(1-6), 1997: 3(1-6), 1998: 4(1-6), 1999: 5(1-6), 2000: 6(1-6), 2001: 7(1-6), 2002: 8(1-6), 2003: 9(1-6), 2004: 10(1-6), 2005: 11(1-12), 2006: 12(1-12), 2007: 13(1-12), 2008: 14(1-12), 2009: 15(1-12), 2010: 16(1-9), 2011: 17(1-12), 2012: 18(1-12), 2013: 19(1-12), 2014: 20(1-12), 2015: 21(1-12)
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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 : 1 (1 to 6); 2 (1-2-3, 4-5-6, 7-8-9); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 5, 6?7, 8?9, 11?12); 12 (1, 2?3, 4 to 7, 8?9, 11, 12); 13 (1, 2?3, 4, 5, 6?7, 8, 9, 11, 12); 14 (1?2, 3?4, 5?6, 7?8, 9?1, 11?12); 15 (1?3, 4?6, 7?9); 16 (1?3, 4?6, 7?9); 17 (1?3, 4?6, 7?9); 18 (1?3, 4?6, 7?9); 19 (1?3, 4?6, 7-8-9); 21 (1-2-3, 4-5-6, 7-8-9)
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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 : 1 (1 to 6); 2 (1-2-3, 4-5-6, 7-8-9); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 5, 6?7, 8?9, 11?12); 12 (1, 2?3, 4 to 7, 8?9, 11, 12); 13 (1, 2?3, 4, 5, 6?7, 8, 9, 11, 12); 14 (1?2, 3?4, 5?6, 7?8, 9?1, 11?12); 15 (1?3, 4?6, 7?9); 16 (1?3, 4?6, 7?9); 17 (1?3, 4?6, 7?9); 18 (1?3, 4?6, 7?9); 19 (1?3, 4?6, 7-8-9); 21 (1-2-3, 4-5-6, 7-8-9)
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Library of Congress
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Preserved
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2025-04-07
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17 (1‐3, 4‐6, 7‐9, 10‐12); 18 (1‐3, 4‐6, 7‐9, 10‐12); 19 (4‐6, 7-8-9, 10-11-12, 1‐3); 20 (1-2-3, 4-5-6, 7-8-9, 10-11-12); 21 (1-2-3, 4-5-6, 7-8-9, 10-11-12)
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